Prof. S C Ng Publications

Important Publications

Chen N, Liow SL, Abdullah RB, Embong WK, Yip WY, Tan LG, Tong GQ, Ng SC. Somatic cell nuclear transfer using transported in vitro-matured oocytes in cynomolgus monkey. Zygote. 2007;15(1):25-33.

Chen N, Liow SL, Yip WY, Tan LG, Tong GQ, Ng SC. Dynamic Changes in Microtubules and Early Development of Reconstructed Embryos after Somatic Cell Nuclear Transfer in a Non-Human Primate. Cloning Stem Cells. 2006; 8(4):251-258.

Tong GQ, Heng BC, Ng SC. Exposure of mouse cumulus cell nuclei to porcine ooplasmic extract eliminates TATA box protein binding to chromatin, but has no effect on DNA methylation. J Assist Reprod Genet. 2006; 23(11-12):413-419.

Chen N, Liow SL, Yip WY, Tan LG, Tong GQ, Ng SC. Early development of reconstructed embryos after somatic cell nuclear transfer in a non-human primate. Theriogenology 2006; 66(5):1300-1306.

Tong GQ, Heng BC, Tan LG, Ng SC. Aberrant profile of gene expression in cloned mouse embryos derived from donor cumulus nuclei. Cell Tissue Res. 2006; 325(2):231-243.

Chen N, Liow SL, Abdullah RB, Embong WK, Yip WY, Tan LG, Tong GQ, Ng SC. Developmental competence of transported in-vitro matured macaque oocytes. Reprod Biomed Online. 2006;12(1):50-59.

Ng SC, Chen N, Yip WY, Liow SL, Tong GQ, Martelli B, Tan LG, Martelli P. The first cell cycle after transfer of somatic cell nuclei in a non-human primate. Development. 2004;131(10):2475-2484.

Ng SC, Martelli P, Liow SL, Herbert S, Oh SH. Intracytoplasmic injection of frozen-thawed epididymal spermatozoa in a nonhuman primate model, the cynomolgus monkey (Macaca fascicularis). Theriogenology. 2002;58(7):1385-1397.

Yin Y, Lim YK, Salto-Tellez M, Ng SC, Lin CS, Lim SK.AFP(+), ESC-derived cells engraft and differentiate into hepatocytes in vivo. Stem Cells. 2002;20(4):338-346.

Ramanujam LN, Liao WX, Roy AC, Loganath A, Goh HH, Ng SC. Association of molecular variants of luteinizing hormone with menstrual disorders. Clinical Endocrinology. 1999; 51: 243-246.

Ahmadi A, Ng SC. Developmental capacity of damaged spermatozoa. Human Reprod, 1999; 14: 2279-2285.

Liao, W X, Y Tong, A C Roy and S C Ng. New ACCI polymorphism in the follicle stimulating hormone beta-subunit gene and its prevalence in three Southeast Asian Populations. Human Heredity, 1999; 49(3): 181-182.

Liow SL, Ghadessy FJ, Ng SC, Yong EL.Y chromosome microdeletions, in azoospermic or near-azoospermic subjects, are located in the AZFc (DAZ) subregion. Mol.Human Reprod. 1998; 4(8): 763-768.

Liow SL, Bongso A, Ng SC. Fertilization, embryonic development and implantation of mouse oocytes with one and two laser-drilled holes in the zona, inseminated at different sperm concentrations. Human Reprod. 1996;11:101-108.

Bongso TA, Fong CY, Ng SC, Ratnam SS. Isolation and culture of inner cell mass cells from human blastocysts. Human Reprod. 1994; 9: 2110-2117.

Sathananthan AH, Kola I, Osborne A, Trounson A, Ng SC, Bongso TA, Ratnam SS. Centrioles in the beginning of human development. Proc. Nat. Acad. Sci. (USA) 1991; 88: 4806-4810.

Ng SC, Bongso TA, Sathananthan AH, Ratnam SS. Micro-manipulation: its relevance to human IVF. Fertil. Steril. 1990; 53: 203-219

Ng SC, Bongso TA, Ratnam SS, et al. Pregnancy after transfer of multiple sperm under the zona. Lancet. 1988: 2; 790

Other Publications

Chen N, Liow SL, Ng SC. Immature oocyte collection and in-vitro maturation (Chapter 19). In: Polycystic Ovarian Syndrome, an Update. Ed Mukherjee GG & Chakravarty BN. FOGSI, Jaypee Brothers, New Delhi. 2007, pp:222-238.

Heng BC , Tong GQ, Ng SC. Effects of granulosa coculture on in-vitro oocyte meiotic maturation within a putatively less competent murine model. Theriogenology. 2004 Sep 15;62(6):1066-92.

Heng BC , Tong GQ, Ng SC.
Human embryonic stem cell derived fibroblastic and epitheloid lineages as xeno-free support?
In Vitro Cellular & Developmental Biology - Animal
In Vitro Cell Dev Biol Anim.2004 May;40(5):129-30.

G. Q. Tong, B. C. Heng, N. Q. Chen, W. Y. Yip, and S. C. Ng (2004)
Effects of elevated temperature in vivo on the maturational and developmental competence of porcine germinal vesicle stage oocytes.
J. Anim Sci. 2004; 82: 3175-3180.

Ng SC
The epidemiology and prevention of drowning in Singapore . Letter to the Editor.
Singapore Med J. 2004; 45 (10): 501

Boon Chin Heng , Tong Cao, Guo Qing Tong, Soon Chye Ng.
Potential Utility of Cell-Permeable Transcription Factors to Direct Stem Cell Differentiation.
Stem Cells and Development 2004; 13 (5): 460-462. (Oct)

Heng BC , Yu YJ, Ng SC.
Slow-cooling protocols for microcapsule cryopreservation.
J Microencapsul. 2004 Jun; 21(4): 455-67.

Naiqing Chen, Swee-Lian Liow, Wan-Yue Yip, Lay-Geok Tan and Soon-Chye Ng
Influence of cysteamine supplementation and culture in portable dry-incubator on the in vitro maturation, fertilization and subsequent development of mouse oocytes
Theriogenology 2005, 63(8):2300-2310.

Heng BC, Yu H, Ng SC. Strategies for the cryopreservation of microencapsulated cells.
Biotechnol.Bioeng. 2004; 85 (2); 202-213. (Published online 25 Nov 2003)

Heng BC, Cao T, Haider HK, Wang DZ, Sim EK, Ng SC.
An over view and synopsis of techniques for directing stem cell differentiation in vitro.
Cell Tissue Res. 2004; 315: 291-303.

Heng BC, Haider HK, Sim EK, Cao T, Ng SC.
Strategies for directing the differentiation of stem cells into the cardiomyogenic lineage in vitro.
Cardiovascular Res. 2004; 62: 34-42.

Chen NQ, Yip WY, Tan LG, Liow SL, Ng SC.
Influence of multiple electrical pulses on parthenogenetic activation and subsequent in-vitro development of mouse oocytes.
Proceedings Annual Conference on the International Embryo Transfer Society, January 12-15, 2003. Auckland, New Zealand.
Theriogenology 2003; 59(1): 472.

Seow HKA, Siew J, Ng SC.
Postgraduate O&G training in Singapore - Master of Medicine in Obestrics & Gynaecology MMed (O&G).
In: The History of Obstetrics & Gynaecology in Singapore. OGSS & The National Heritage Board. 2003. pp.265-6

Ng SC, Arulkumaran S, Ratnam SS.
Singapore's contributions to internationsl Obstetrics & Gynaecology (Research and Literature till 1993).
In: The History of Obstetrics & Gynaecology in Singapore. OGSS & The National Heritage Board. 2003. pp.116-121.

Ng SC.
Asia's first IVF baby - a personal account.
In: The History of Obstetrics & Gynaecology in Singapore. OGSS & The National Heritage Board. 2003. pp.592-3.

Ng SC, Ng Y, Liow SL, Chen N.
Therapeutic and reproductive cloning - implications and recommendations.
Med.J.Malaysia. 2003; 58 (suppl A): 102-110.

Ng SC, Liow SL, Chen NQ, Ng YF.
Cloning: Science ahead of its time?
SMA News. 2003; 35 (6): pp.11, 13. (June 3)

Tan KK, Ng SC.
Computer-controlled piezoactuator for cell manipulation. IEE Proc-Nanobiotechnol. 2003; 150 (1): 15-20.

Chen, N, W Y Yip, L G Tan, S L Liow and S C Ng.
Influence of Multiple Electrical Pulses on Parthenogenetic activation and Subsequent in-vitro development of mouse oocytes. Theriogenology, 59, 1 (2003): 472.

Ng SC, Chen NQ, Yip WY, Liow SL, Martelli B, Tong GQ, Oh S, Oh SH, Martelli.
Recontructed embryos through somatic cell nuclear transfer from Lion-tailed macaque skin fibroblast.
The 2nd International Symposium on Assisted Reproductive Technology for the Conservation & Genetic Management of Wildlife , 28-29 September 2002, Henry Doorly Zoo, Omaha, Nebraska, USA.

Ng SC, Nguyen BX, Liow SL, Martelli P, Tan EK, Oh SH, Martelli B, Tan LG, Yip WY, Heng A.
Somatic cell nuclear transfer in a non-human primate.
Life Sciences for Singapore , 3rd AGSM, 12-13 Nov 2001 p35 (P11)

Nguyen BX, Tan EKJ, Martelli P, Uoc NT, Liow SL, Hebert S, Oh SH, Ng SC.
Development of embryos cloned from fibroblasts in long-tailed macaque ( Macaca fascicularis ).
Proceedings Annual Conference on the International Embryo Transfer Society, January 12-15, 2002, Parana, Brazil. Theriogenology 2002; 57(1): 438.

Ng, S C.
ICSI-new understanding of an old method.
Asian Journal of Andrology, 4, 3 (2002): 41-42.
Proceedings of 1 st Asia-Pacific Forum on Andrology, Shanghai , China . 17-21 Oct 2002. S11-4.

Foong, L C, B Bhagavath, J Kumar and S C Ng.
Ovarian Hyperstimulation syndrome is associated with reversible impairment of vascular reactivity. Fertility and Sterility, 78, 6 (2002): 1159-1163.

Nguyen BX, Tan EKJ, Martelli P, Uoc NT, Liow SL, Hebert S, Oh SH, Ng SC.
Development of embryos cloned from fibroblasts in long-tailed macaque (Macaca fascicularis).
Proceedings Annual Conference on the International Embryo Transfer Society, January 12-15, 2002, Parana, Brazil. Theriogenology 2002; 57(1): 438.

Ng SC, Martelli P, Liow SL, Herbert S, Oh SH.
Intracytoplasmic injection of frozen-thawed epididymal spermatozoa in a nonhuman primate model, the cynomolgus monkey (Macaca fascicularis). Theriogenology. 2002; 58(7): 1385-1397

Yin YJ, Lim YK, Salo-Tellez M, Ng SC, Lin CS, Lim SK.
AFP+, ESC-derived cells engraft and differentiate into hepatocytes in vivo. Stem Cells. 2002: 20(4): 338-346

Choo WL, Loh FH, Ng SC
Osteoporosis in relation to menopause.
Ann.Acad.Med.Singapore. 2002; 31: 30-6.

Chew SSL, Ng SC
Hormone replacement therapy (HRT) and ischaemic heart disease: getting to the heart of the matter.
Singapore Med J. 2002; 43(1): 41-4

Loh FH, Hameed N, Ng SC.
The impact of minimal access surgery on gynaecological surgery in a university gynaecological unit over a 10-year period from 1991 to 2000.
Singapore Med J. 2002; 43(4): 177-81

Tong Wenfei, Ng Yifan, Ng Soon-Chye
Somatic Cell Nuclear Transfer (Cloning): implications for the medical practitioner
Singapore Medical J. 2002; 43(7): 369-76.

SL Liow, Paolo Martelli, S Herbert, SH Oh, LG Tan, SC Ng
Intracytoplasmic injection of frozen-thawed epididymal spermatozoa in a non-human primate model, the Cynomolgus monkey (M acaca fascicularis )
2nd International Symposium on Assisted Reproductive Technology for the Conservation and Genetic Management of Wildlife, Omaha , Nebraska (28-29 Sep 2002).

SL Liow, B Martelli, NQ Chen , WY Yip, LG Tan, P Martelli, SH Oh, S Oh, SC Ng
Ovarian response to gonadotropin stimulation in the Cynomolgus monkey, Macaca fascicularis
2 nd International Symposium on Assisted Reproductive Technology for the Conservation and Genetic Management of Wildlife, Omaha , Nebraska (28-29 Sep 2002).

Adebiyi A, Adaikan PG, Prasad RNV, Ng SC.
Uterine stimulating effects of crude latex of Carica papaya L. (With reference to its indigenous use as an arbortifacient.)
In: Stepp JR, Wyndham FS, Zarger RK. Ethnobiology and biocultural diversity: Proceedings of the 7 th International Congress of Ethnobiology. University of Georgia Press , USA . 2002. pp. 299-306.

Tong WF, Ng YF, Ng SC.
Reply to Editor: Somatic Cell Nuclear Transfer (Cloning): Implications for the Medical Practitioner.
S'pore Med J. 2002; 43 (10): 540

Ng SC
ICSI – new understanding of an old method.
Asian J Andrology. 2002; 4 (3, Suppl): 41-42 (S11-4)
First Asia-Pacific Forum on Andrology, 17-21 Oct 2002, Shanghai , China .

Ng SC
Aphrodisiacs and endangered wildlife
In: 7 th Asian Congress of Sexology, 14-17 Nov 2002, Singapore . Abstract S29. p.24-25.

Tan, KK, SC Ng and Y Xie,
Optimal intra-cytoplasmic sperm injection with a piezo micromanipulator.
Proceedings of the 4th World Congress on Intelligent Control and Automation, Tongji University, Shanghai, China, 10-14 June 2002, pp. 1120-1123.

Tan, KK , SC Ng, Y. Xie, Y.W. Yip.
Optimal Intra-Cytoplasmic Sperm Injection with a Piezo Micromanipulator.
IEEE Transactions on Biomedical Engineering, submitted 2002.

Tan, K K and S C Ng.
Development of a computer controlled piezo micromanipulation system for biomedical applications (Editorial section).
Engineering Science and Education Journal, 10, no.6 (December 2001): 249-256.

Sundarrajan, C, W X Liao, A C Roy and S C Ng.
Association between estrogen receptor beta gene polymorphisms and ovulatory dysfunctions in patients with menstrual disorders. (revised version).
Journal of Clinical Endocrinology -&.Metabolism, 86, 1 (2001): 135-139.

Tong, Y, W X Liao, A C Roy and S C Ng.
Absence of mutations in the coding regions of follicle-stimulating hormone receptor gene in Singapore Chinese women with premature ovarian failure and polycystic ovary syndrome.
Hormone and Metabolic Research, 33 (2001): 221-226.

Lau, L C, P G Adaikan, S Arulkumaran and S C Ng.
Oxytocics reverse glyceryl-trinitrate-induced tocolytic effect on human uterus.
British Journal of Obstetrics & Gynaecology, 108 (2001): 164-168.

Agarwal, R, A Loganath, A C Roy, Y C Wong and S C Ng.
Expression profiles of interleukin-15 in early and late gestational human placenta and in pre-eclamptic placenta.
Molecular Human Reproduction, 7 (2001): 97-101.

Loganath, A, K L Peh, Y C Wong and S C Ng.
Enhanced dehydroepiandrosterone synthesis by amnion compared to chorion: A comparative study using the reverse-isotope dilution technique.
Molecular Reproduction and Development, 58 (2001): 276-280.

Fong, C Y, T A Bongso, H Sathananthan, K C Ho and S C Ng.
Ultrastructural observations of enzymatically treated human blastocysts: zona free blastocyst transfer and rescue of blastocysts with hatching difficulties.
Human Reproduction, 16 (2001): 540-546.

Liao, W X, A C Roy and S C Ng.
Follicle-stimulating-hormone receptor and twinning.
Lancet, 357, 9251 (2001): 230: Discussion-231-232.

Gole, L A, P F Wong, P L Ng, X Q WANG, S C Ng and T A Bongso
Does sperm morphology play a significant role in increased sex chromosomal disomy? A comparison between patients with teratozoospermia and OAT by FISH.
Journal of Andrology, 22, 5 (2001): 759-763. (United States).

Ng, S C, F H Loh and R C Santiago-Aquias.
Estrogen replacement viewed from Singapore.
Gynaecological Endocrinology, 15, 4 (suppl) (2001): 56-59.

Tain, C F, V H H Goh and S C Ng.
Dose respond effects of equine chorionic gonadotrophin (eCG) and human chorionic gonadotrophin (hCG) on early embryonic development and viable pregnancy rate in rats.
Reproduction, 122 (2001): 283-287.

Liow, S L, E L Yong and S C Ng.
Protgnostic value of Y deletion analysis: How reliable is the outcome of Y deletion analysis in providing a sound prognosis?
Human Reproduction, 16 (2001): 9-12.

Ng, S C and S S L Chew.
IVF and Infertility: Recent Advances and Hopes for the new Millenium.
Journal of Paediatrics, Obstetrics and Gynaecology, 26, 3 (1 June 2000): 19-22.

Ramanujam, L N, W X Liao, A C Roy and S C Ng.
Association of molecular variants of luteinizing hormone with male infertility.
Human Reproduction, 15, 4 (2000): 925-928.

Tong, Y, W X Liao, A C Roy and S C Ng.
The Association of AccI polymorphism in the follicle-stimulating hormone p gene with polycystic ovary syndrome.
Fertility and Sterility, 74, 6 (2000): 1233-1236.

Loganath, A, K L Peh, P C T Chew, Y C Wong and S C Ng.
Evidence for progesterone synthesis by human umbilical cord blood erythrocytes.
Biology of the Neonate, 78 (2000): 13-16.

Agarwal, R, A Loganath, A C Roy, Y C Wong, C K G Lindoff and S C Ng.
Increased expression of interleukin-6 in term compared to the first trimester human placental villi.
Hormone and Metabolic Research, 32 (2000): 164-168.

Loganath, A, K L Peh, Y C Wong and S C Ng.
Evidence for cholesterol synthesis de novo by term human fetal amnion and chorion: a comparative study using the reverse-isotype dilution technique.
Hormone Research, 53 (2000): 125-128.

Chen, Y, W X Liao, A C Roy, A Loganath and S C Ng.
Mitochondrial gene mutations in gestational diabetes.
Diabetes Research and Clinical Practice, 48, 1 (2000): 29-35.

Agarwal, R, A Loganath, A C Roy, Y C Wong and S C Ng.
Effect of T helper type 1 cytokines on secretion of T helper 2 cytokines by term trophoblast cells in culture.
Gynaecological Endocrinology, 14 (2000) : 305-310.

Tain, C F, V H H Goh and S C Ng.
Effects of hyperstimulation with gonadotrophin and age of females on oocytes and their metaphases II status in rats.
Molecular Reproduction and Development, 55, 1 (2000): 104-108. (United States).

Liao, W X, A C Roy and S C Ng.
Preliminary investigation on the follistatin gene mutations in women with polycystic ovary syndrome.
Molecular Human Reproduction, 6, 7 (2000): 587-590.

Adaikan, P G and S C Ng.
Physiological significance of nitrergic transmission in human penile erection.
Asian Journal of Andrology, 2, 1 (2000) : 51-56.

Ng, S C and P G Adaikan.
Unwarranted demand for body parts of endangered animal species for treatment of male infertility.
Asian Journal of Andrology, 2, 2 (2000): 158.

Ng, S C and S S L Chew.
Assisted Fertilisation: Hopes, Fears and Challenges.
Journal of Paediatrics, Obstetrics and Gynaecology, 26, 5 (2000): 22-26.

Adaikan, P G, Y S Chong, S S L Chew, L C Foong and S C Ng.
Male sexual dysfunction.
Current Opinion in Obstetrics and Gynaecology, 10 (2000): 23-28.

Ng, S C and S S L Chew.
Recent Advances in the In-vitro culture of human blastocysts.
Journal of Paediatrics, Obstetrics and Gynaecology, 26, 4 (2000): 30-33.

Bongso, T A, C Y Fong, J E Mathew, L C Ng, J Kumar and S C Ng.
The benefits to human IVF by transferring embryos after the in vitro-embryonic block: alternatives to day-2 transfers.
Assisted Reproduction Reviews, 9, 2 (1999): 70-78.

Ramanujam, L N, W X Liao, A C Roy, A Loganath, V H H Goh and S C Ng.
Association of molecular variants of luteinizing hormone with menstrual disorders.
Clinical Endocrinology, 51 (1999): 243-246.

Srilatha, B, P G Adaikan, S C Ng and S Arulkumaran.
Elevated low density lipoprotein cholesterol (LDL-C) enhances pro-erectile neurotransmission in the corpus cavernosum.
International Journal of Impotence Research, 11 (1999): 159-165.

Liao, W X, Y Tong, A C Roy and S C Ng.
New ACCI polymorphism in the follicle stimulating hormone beta-subunit gene and its prevalence in three Southeast Asian Populations.
Human Heredity, 49, 3 (1999): 181-182.

Sundarrajan, C, W X Liao, A C Roy and S C Ng.
Association of oestrogen receptor gene polymorphism with outcome of ovarian stimulation in patients undergoing IVF.
Molecular Human Reproduction, 5, 9 (1999): 797-802.

Loh, F H, Anna Tan, J Kumar and S C Ng.
Ovarian response after laparoscopic ovarian cystectomy for endometrictic cysts in 132 monitored cycles.
Fertility and Sterility, 72, 2 (1999): 316-321.

Srilatha, B, P G Adaikan, S Arulkumaran and S C Ng.
Sexual dysfunction related to antihypertensive agents: results from the animal model.
International Journal of Impotence Research, 11 (1999): 107-113.

Hayes, E, P G Adaikan, S S Ratnam and S C Ng.
5HT4 receptors in isolated human corpus cavernosum?
International Journal of Impotence Research, 11 (1999): 219-225.

Ng, S C and S S L Chew.
IVF and Infertility: Recent Advances and Hopes for the New Millenium.
Journal of Paediatrics, Obstetrics and Gynaecology, 25, 6 (1999): 29-35.

Sathananthan, A H, J J Tarin, L Gianaroli, S C Ng, V Dharmawardena, M C Magli, R Fernando and A O Trounson.
Development of the human dispermic embryo.
Human Reproduction, 5, 5 (1999): 553-560.

Loganath, A, K L Peh, P C T Chew, Y C Wong and S C Ng.
Expression of C-20,22 desmolase activity by the human fallopian tube in vitro: evidence for steroidogenesis.
Hormone and Metabolic Research, 31 (1999) : 587-590.

Ramanujam, L N, W X Liao, A C Roy, S C Ng and S S Ratnam.
Molecular variants of luteinizing hormone in three populations of Southeast Asia.
Human Heredity, 48, no. 4 (1998): 232-234.

Yong, E L, F J Ghadessy, Q Wang, A Mifsud and S C Ng.
Androgen receptor transactivation domain and control of spermatogenesis.
Reviews in Reproduction, 3 (1998): 141-144.

Wang, Q, F J Ghadessy, A 0 Trounson, D Kretser, R McLachlan, S C Ng and E L Yong.
Azoospermia associated with a mutation in the ligand-binding domain of an androgen receptor displaying normal ligand binding, but defective transactivation.
Journal of Clinical Endocrinoloqy & Metabolism, 83 (1998): 4303-4309.

Fong, C Y, T A Bongso, S C Ng, J Kumar, A 0 Trounson and S S Ratnam.
Blastocyst transfer after enzymatic treatment of the zona pellucida: improving in-vitro fertilization and understanding implantation.
Human Reproduction, 13, 10 (1998): 2926-2932.

Chan, C L K, J Kumar, E L Yong, C Y Fong, T A Bongso and S C Ng.
The first 2 case reports of frozen embryo donation twin pregnancies in Singapore - Hormonal profiles and obstetrical outcome.
Journal of Obstetrics and Gynaecology Research, 24 (1998): 203-209.

Adaikan, P G and S C Ng.
Viagra and male sexuality: Medical Information.
Reproductive Health Matters, 6, 12 (1998): 153-155.

Liow, S L, F J Ghadessy, S C Ng and E L Yong.
Y-chromosome microdeletions, in azoospermic or near azoospermia subjects are located in the AZFc(DAZ) subregion.
Molecular Human Reproduction, 4 (1998): 763-768.

Wang, Q, F J Ghadessy, A Trounson, D Kretser, R McLachlan, S C Ng and E L Yong.
Azoospermia associated with a mutation in the ligand-binding domain of an androgen receptor displaying normal ligand binding, but defective transactivation.
Journal of Clinical Endocrinology & Metabolism, 24 (1998): 4303-4309.

Kumar, J and S C Ng.
Treatment of infertility associated with endometriosis.
Current_ Obstetrics and Gynaecology, 8 (1998): 197-203.

Chong, Y S, Y F Fong and S C Ng.
Deep vein thrombosis in women with large uterine fibroids.
Obstetrics and Gynecology, 92 (1998): 707.

Fong, C Y, T A Bongso, S C Ng.
C Anandakumar, A O Trounson and S S Ratnam, Ongoing normal pregnancy after transfer of zona-removed hatching and expanded blastocysts.
Human Reproduction, 12 (1997): 557-560. (United Kingdom).

Srilatha, B, P G Adaikan, S C Ng and S Arulkumaran.
Effects of feeding egg yolk on the serum lipid levels in rabbits.
Methods and Findings in Experimental and Clinical Pharmacology, 19, no. 7 (1997): 489-492.

Yong, E L, K 0 Lee, S C Ng and S S Ratnam.
Induction of spermatogenesis in isolated hypogonadotrophic hypogonadism with gonadotrophins and early intervention with intracytoplasmic sperm injection (ICSI).
Human Reproduction, 12, no.6 (1997): 1230-1232.

Yong, E L, S C Ng, C L K Chan, J Kumar, L S Teo and S S Ratnam.
Chronic low dose follicle stimulating hormone and clomiphene/human menopausal gonadotrophin for induction of ovulation.
Gynaecological Endocrinology, 11 (1997): 35-42.

Yong, E L, S C Ng, C L K Chan, J Kumar and S S Ratnam.
Responses of polycystic ovarian syndrome and related variants to low dose follicle stimulating hormone.
International Journal of Gynaecology & Obstetrics, 57 (1997): 305-311.

Yong, E L, Q Wang, T G Tut, F J Ghadessy and S C Ng.
Male infertility and the Androgen receptor: Molecular, clinical and therapeutic aspects.
Reproductive Medicine Review, 6 (1997): 113-131.

Ahmadi, A, T A Bongso and S C Ng.
Intracytoplasmic injection of human sperm into the hamster oocyte (hamster ICSI assay) as a test for fertilizing capacity of the severe male-factor sperm.
Journal of Assisted Reproduction and Genetics, 13 (1996): 647-651.

Ahmadi, A, T A Bongso and S C Ng.
Induction of acrosome reaction in human sperm by exposing to an electrical field.
Archives of Andrology, 38 (1996): 57-65.

Ahmadi, A, T A Bongso and S C Ng.
Exposure of human sperm to electric fields : Effects on acrosome reaction, penetration rate and motility.
Assisted Reproductive Technology/Andrology, 9 (1996): 135-137.

Montan, S M, C Anandakumar, R Joseph, S Arulkumaran, S C Ng and S S Ratnam.
Fetal and neonatal haemodilution associated with multiple placental chorioangioma - Case report.
Journal of Obstetrics and Gynaecology Research, 22, no. 1 (February 1996): 43-46.

Liow, S L, T A Bongso and S C Ng.
Fertilisation, embryonic development and implantation of one and two laser zona-drilled holes mouse oocytes inseminated at different sperm concentrations.
Human Reproduction, 11, no. 6 (1996): 1273-1280.

Ng, S C, T A Bongso and A 0 Trounson.
Update on micromanipulation techniques for assisted conception.
Current Opinion in Obstetrics and Gynaecology, 8, no. 3 (1996): 171-177.

Ng, S C, S L Liow, Ali Ahmadi and T A Bongso.
New perspectives in understanding fertilization in the era of microinjection.
Journal of Mammalian Ova Research, 13, no.2 (1996): 7-8.

World Health Organization Task Force on Methods for the Regulation of Male Fertility, Contraceptive efficacy of testosterone-induced azoospermia and oligozoospermia in normal men.
Fertility and Sterility, 65, no. 4 (1996): 821-829.

Sathananthan, A H, S S Ratnam, S C Ng, JJ Tarin, L Gianaroli and A 0 Trounson.
The sperm centriole: its inheritance, replication and perpertuation in early human embryos.
Human Reproduction, 11 (1996): 345-356.

Ng, S C, S Emmanuel, T A Bongso, C L K Chan, J Kumar and S S Ratnam.
ART practice in Singapore.
Journal of Assisted Reproduction and Genetics, 13, no. 6 (1996): 527-535.

Ng, S C and K O Lee.
Treatment of male infertility with growth hormone. Clinical Science, 91 (1996): 254-256.

Sathananthan, A H, S S Ratnam, S C Ng, J J Tarin, L Gianaroli and A 0 Trounson.
The sperm centriole: Its inheritance, replication and peroetuation in early human embryos.
Human Reproduction, 11, no. 2 (1996): 345-346.

Liow, S L, T A Bongso and S C Ng.
Fertilisation, embryonic development and implantation of mouse oocytes with one or two laser drilled holes in the zona, and inseminated at different sperm concentrations.
Human Reproduction, 11, no. 6 (1996): 1273-1280.

Lee, K O, S C Ng, P S Lee, T A Bongso, E A Taylor, T K Lin and S S Ratnam.
Effect of growth hormone therapy in men with severe idiopathic oligozoospermia.
European Journal of Endocrinology, 132 (1995): 159-162.

Ahmadi, A, S C Ng, S L Liow, J Ali, T A Bongso and S S Ratnam.
Intracytoplasmic sperm injection (ICSI) of mouse oocytes with 5mM Ca++ at different intervals.
Human Reproduction, 10 (1995): 431-435.

Fong, C Y, T A Bongso, S C Ng, Y C Wong and S S Ratnam.
Fertilization/embryonic development in co-culture conditioned by oviductal epithelial feeder layers.
Assisted Reproductive Technology/Andrology, VII (1995): 27-35.

Bongso, T A, C Y Fong, S C Ng and S S Ratnam.
Coculture techniques for blastocyst transfer and embryonic stem cell production.
Assisted Reproduction Reviews, 5, no.2 (1995): 106-114.

Ng, S C, S L Liow, A Ahmadi, E L Yong, T A Bongso and S S Ratnam.
Intracytoplasmic sperm injection - Is there a need for an animal model, especially in assessing the genetic risks involved?
Human Reproduction, 10 (1995): 2523-2525.

Tan, W C, M V Tan and S C Ng.
Misdiagnosis of tuberculosis in semen by the IS6110 PCR assay.
International Journal of Gynaecology & Obstetrics, 50 (1995): 69-70.

Chan, C L K, S Devendra, M H M Yang, S C Ng and S S Ratnam.
Pregnancies in hyper prolactinaemic patients treated with bromocriptine long-acting repeat (Parlodel LAR) injections.
American Journal of Clinical Research, 3 (1994): 9-14.

Bongso, T A, C Y Fong, S C Ng and S S Ratnam.
The growth of inner cell mass cells from human blastocysts.
Theriogenology, 41 (1994): 167.

Tok, V C N, S C Ng, M H M Montag, S L Liow, T A Bongso and S S Ratnam.
Development of mammalian sperm nuclei in an amphibian cell- free system.
Theriogenology, 41 (1994): 318.

Fong, C Y, T A Bongso, K C Ho, T Azmi, S C Ng and S S Ratnam.
Morphological and cytogenetic behaviour of fallopian tubal epithelial cells in vitro: Their relevance as feeder layers for embryonic support. Theriogenology, 41 (1994): 195.

Liow, S L, S C Ng, S Vasuthevan, V C N Tok, T A Bongso and S S Ratnam.
Laser zona cutting of mouse oocytes. Theriogenology, 41 (1994): 239.

Bongso, T A, C Y Fong, S C Ng and S S Ratnam.
Human embryonic behaviour in a sequential human oviduct endometrial coculture system.
Fertility and Sterility, 61 (1994): 976-978.

Adaikan, P G, S C Ng, C L K Chan, J Kumar, L C Lau and S S Ratnam.
Intracavernous injection therapy: Long term effects - Animal studies/human results.
International Journal of Impotence Research, Supplement 1, 6 (1994): S15.

Yong, E L, S C Ng, A C Roy, G W L Yun and S S Ratnam.
Pregnancy after hormonal correction of severe spermatogenic defect due to mutation in androgen receptor gene.
Lancet, 344 (1994): 826-827.

Yong, E L, S C Ng, A C Roy, G W L Yun and S S Ratnam.
Androgen receptor gene mutations in male infertility.
International Journal of Gynaecology & Obstetrics, 46, no.2 (1994): 86.

Yong, E L, S G Hillier, M Turner, D T Baird, S C Ng, T A Bongso and S S Ratnam.
Differential regulation of cholesterol side-chain cleavage (P450scc) and aromatase (P450arom) enzyme mRNA expression by gonadotrophins and cyclic AMP in human granulosa cells.
Journal of Molecular Endocrinology, 12 (1994): 239-249.

Sathananthan, A H, S C Ng, S L Liow, K C Ho, T A Bongso and S S Ratnam.
Early sperm-egg interaction after sperm micro-injection.
Reproduction Fertility and Development, 6 (1994): 105-111.

Bongso, T A, C Y Fong, S C Ng and S S Ratnam.
Isolation and culture of inner cell mass cells from human blastocysts.
Human Reproduction, 9 (1994): 2110-2117.

Chan, C L K, C Anandakumar, P G Adaikan, S C Ng and S S Ratnam.
Penile blood flow in erectile dysfunction.
International Journal of Impotence Research, Supplement 1, 6 (1994): D69.

Bongso, T A, C Y Fong, S C Ng and S S Ratnam.
Blastocyst transfer in human in vitro fertilization: The use of embryo co-culture.
Cell Biology International, 18, no.12 (1994): 1181-1189.

Ng, S C, V C N Tok, T A Bongso, S L Liow, M H M Montag and S S Ratnam.
Development of human sperm pro-nuclei in Xenopus cytosol: A possible new approach to the treatment of the severe male factor patient. Journal of Assisted Reproduction and Genetics, Supplement, 10, no.6 (1993): 51.

Chan, C L K, S C Ng and S S Ratnam.
A new treatment of menorrhagia using GnRH-agonist cyclically without prolonged down-regulation and loss of bone density: a case study. American Journal of Clinical Research, 2 (1993): 31-33.

Ng, S C, S L Liow, K Schutze, S Vasuthevan, T A Bongso and S S Ratnam.
The use of ultra-violet microbeam laser for laser zona dissection in the mouse.
Journal of Assisted Reproduction and Genetics, Supplement, 10, no.6 (1993): 204.

Bongso, T A, C Y Fong, S C Ng and S S Ratnam.
Human sperm and embryo behaviour in human oviduct and endometrial coculture systems.
Journal of Assisted Reproduction and Genetics, Supplement, 10, no.6 (1993): 54.

Ng, S C, S L Liow, A H Sathananthan, T A Bongso and S S Ratnam.
Microinjection of human sperm directly into human oocytes.
Journal of Assisted Reproduction and Genetics, 10 (1993): 337-352.

Bongso, T A, S C Ng, C Y Fong and S S Ratnam.
Coculture for DES exposure patients (Letter to editor).
Fertility and Sterility, 60 (1993): 1100-1102.

Bongso, T A, C Y Fong, S C Ng and S S Ratnam.
The search for improved in vitro systems should not be ignored: embryo co-culture may be one of them.
Human Reproduction, 8 (1993): 1155-1162.

Bongso, T A, A K Jarina, K C Ho, S C Ng and S S Ratnam.
Comparative evaluation of three sperm-washing methods to improve sperm concentration and motility in frozen-thawed oligozoospermic and normozoospermic sample.
Archives of Andrology, 31 (1993): 223-230.

Bongso, T A, K C Ho, C Y Fong, S C Ng and S S Ratnam.
Human sperm function after coculture with human fallopian tubal epithelial cell monolayers: in vitro model for studying cell interactions in early human conception.
Archives of Andrology, 31 (1993): 183-190.

Bongso, T A, S C Ng, C Y Fong, C Anandakumar, B M S Marshall, W R Edirisinghe and S S Ratnam.
Improved pregnancy rate after transfer of embryos grown in human fallopian tubal cell co-culture.
Fertility and Sterility, 58, no. 3 (September 1992): 569-574.

Lee, K O, S C Ng, P S Lee, E A Taylor, T A Bongso and S S Ratnam.
Effect of growth hormone on normal healthy men with idiopathic oligospermia (Abstract).
Endocrinology, Suppl, 130 (1992): 369.

Ng, S C, T A Bongso, S L Liow, W R Edirisinghe, V C N Tok and S S Ratnam.
Controversies in micro-injection. Journal of Assisted Reproduction and Genetics, 9 (1992): 186-189.

Ng, S C and D Solter.
Fusion of male germ cells from male pronucleus to pachytene spermatocyte with metaphase II oocyte in mice.
Molecular Andrology, 4 (1992): 263-276.

Ng, S C, S L Liow, T A Bongso, M H M Montag, V C N Tok, H Sathananthan and S S Ratnam.
Micro-manipulation and possible new approaches to help the severe male factor patient.
Journal of Assisted Reproduction and Genetics, 9 (1992): 191-196.

Vasuthevan, S, S C Ng, W R Edirisinghe, T A Bongso and S S Ratnam.
The evaluation of various culture media in combination with dimethylsulfoxide for ultrarapid freezing of murine embryos.
Fertility and Sterility, 58, no. 6 (1992): 1250-1253.

Vasuthevan, S, S C Ng, T A Bongso and S S Ratnam.
Embryonic behaviour of two-cell mouse embryos frozen by the one- and two-step ultrarapid techniques.
Journal of Assisted Reproduction and Genetics, 9, no. 6 (1992): 545-550.

Montag, M H M, V C N Tok, S L Liow, T A Bongso and S C Ng.
In vitro decondensation of mammalian sperm and subsequent formation of pronuclei-like structures for micromanipulation.
Molecular Reproduction and Development, 33 (1992): 338-346.

Bongso, T A, C Y Fong, S C Ng and S S Ratnam.
Fertilisation, cleavage, and cytogenetics of 48-hour zona-intact and zona-free human unfertilised oocytes reinseminated with donor sperm. Fertility and Sterility, 57, no. 1 (January 1992): 129-133.

Sathananthan, A H, I Kola, J Osborne, A Trounson, S C Ng, T A Bongso and S S Ratnam.
Centrioles in the beginning of human development.
Proceedings of the National Academy of Sciences of the United States, 88 (June 1991): 4806-4810.

Bongso, T A, S C Ng, C Y Fong and S S Ratnam.
Co-cultures: A new lead in embryo quality improvement for assisted reproduction.
Fertility and Sterility, 56, no.2 (August 1991): 179-199.

Ng, S C, T A Bongso and S S Ratnam.
Microinjection of human oocytes: A technique for severe oligoasthenoteratozoospermia.
Fertility and Sterility, 56, no.6 (December 1991): 1117.

Bongso, T A, S C Ng, J P I Lim, C Y Fong and S S Ratnam.
Preimplantation genetics: Chromosomes of fragmented human embryos.
Fertility and Sterility, 56, 1 (1991): 66-70.

Bongso, T A, S C Ng, C Y Fong and S S Ratnam.
Improved fertilisation rates of human oocytes in coculture.
Journal of In Vitro Fertilization and Embryo Transfer : IVF, 8, no.4 (1991): 216-221.

Bongso, T A, S C Ng, S S Ratnam, C L K Chan, C Anandakumar, Y C Wong, V H H Goh, S Devendra, S B Soon, C Y Fong and S Vasuthevan.
Pregnancies after fertilisation and cleavage in human coculture (Letter to editor).
Journal of In Vitro Fertilization and Embryo Transfer : IVF, 8, no.2 (1991): 116-117.

Adaikan, P G, S C Ng, C L K Chan and S S Ratnam.
Oral trazodone in the treatment of total secondary impotence in a diabetic patient.
British Journal of Urology, 68 (1991): 212-213.

Chan, C L K, S C Ng, V H H Goh, T A Bongso, S Devendra and S S Ratnam.
Endocrinological profiles and endometrial dating using micronised progesterone (Utrogestan®) in the cyclic steriod replacement therapy (CSRT).
Contraception Fertilite Sexualite, 19, no.7-8 (1991).

Ng, S C, T A Bongso, A H Sathananthan and S S Ratnam.
Fertilisation by micro-insemination.
Progress in Obstetrics and Gynaecology, 9 (1991): 227-230.

Tarin, J J, S C Ng, M Sampaio, M Ruiz, F Bonilla-Musoles and A Pellicer.
Diploidizacion de un embrion triploide humano.
Obstetrics y Ginecol Espan (1991): 11-13.

Bongso, T A, S C Ng, C Y Fong, H P P Mok, P L Ng and S S Ratnam.
Cocultures in human assisted reproduction: support of embryos in vitro and their specificity.
Annals of the New York Academy of Sciences, 626 (1991): 438-444.

Adaikan, P G, S C Ng, C L K Chan and S S Ratnam.
Why intracavernous PGE, for diagnosis and treatment of impotence?
International Journal of Impotence Research, Suppl. 2, 2 (1990): 325-326.

Bongso, T A, S C Ng and S S Ratnam.
Co-cultures: Their relevance to assisted reproduction.
Human Reproduction, 5, no.8 (1990): 893-900.

Bongso, T A, S C Ng, S S Ratnam and A H Sathananthan.
Human oviductal/endometrial cell lines: Co-culture and assisted reproduction.
Assisted Reproductive Technology/Andrology, 1 (1990): 39-53.

Ng, S C, T A Bongso and S S Ratnam.
Micro-insemination: Genetic aspects. Archives of Andrology, 25 (1990): 261-270.

Ng, S C, A H Sathananthan, T A Bongso, S S Ratnam, V C N Tok and K C Ho.
Subzonal transfer of multiple sperm (MIST) into early human embryos.
Molecular Reproduction and Development, 26 (1990): 253-260.

Ng, S C, P C Wong and S S Ratnam.
Management of ovulatory dysfunction.
Journal of Paediatrics, Obstetrics and Gynaecology, 16 (1990): 23-32.

Ng, S C, T A Bongso, A H Sathananthan and S S Ratnam.
Micro-manipulation: Its relevance to human IVF (Review).
Fertility and Sterility, 53 (1990): 203-219.

Ng, S C, T A Bongso, A H Sathananthan, V C N Tok and S S Ratnam.
Micro-centrifugation of human spermatozoa: Its effect on fertilization of hamster oocytes after micro-insemination spermatozoal transfer.
Human Reproduction, 5 (1990): 209-211.

Sathananthan, A H, T A Bongso, S C Ng, K C Ho, H P P Mok and S S Ratnam.
Ultrastructure of preimplantation human embryos co-cultured with human ampullary cells.
Human Reproduction, 5, no.3 (1990): 309-318.

Bongso, T A, S C Ng, A H Sathananthan, P L Ng, M H J Rauff and S S Ratnam.
Improved quality of human embryos when co-cultured with human ampullary cells.
Human Reproduction, 4, no.6 (1989): 706-713.

Bongso, T A, A H Sathananthan, P C Wong, S S Ratnam, S C Ng, C Anandakumar and S Ganatra.
Human fertilization by microinjection of immotile sperm.
Human Reproduction, 4, no.2 (1989): 175-179.

Ng, S C, T A Bongso, S I Chang, A H Sathananthan and S S Ratnam.
Transfer of human sperm into the peri-vitelline space of human oocytes after zona-drilling or zona puncture.
Fertility and Sterility, 52 (1989): 73-78.

Sathananthan, A H, S C Ng, A O Trounson, T A Bongso, A Laws-King and S S Ratnam.
Human micro-insemination by injection of single or multiple sperm: ultrastructure.
Human Reproduction, 4 (1989): 574-583.

Bongso, T A, S C Ng, H P P Mok, M N Lim, H L Teo, P C Wong and S S Ratnam.
Improved sperm density, motility and fertilization rates following Ficoll treatment of sperm in a human in vitro fertilization program.
Fertility and Sterility, 51 (1989): 850-854.

Bongso, T A, S C Ng, H P P Mok, M N Lim, H L Teo, P C Wong and S S Ratnam.
The influence of sperm motility on human in vitro fertilization.
Archives of Andrology, 22 (1989): 49-54.

Bongso, T A, S C Ng, A H Sathananthan, P L Ng, M H J Rauff and S S Ratnam.
Establishment of human ampullary cell cultures.
Human Reproduction, 4 (1989): 486-494.

Ng, S C, A H Sathananthan, P C Wong, S S Ratnam, J Ho, H P P Mok and M N Lee.
The fine structure of early human embryos frozen with 1,2 propanediol.
Gamete Research, 19 (1988): 243-264.

Ng, S C, T A Bongso, S S Ratnam, A H Sathananthan, C L K Chan, P C Wong, L G Hagglund, C Anandakumar, Y C Wong and V H H Goh.
Pregnancy after transfer of sperm under zona.
Lancet, 2 (1988): 790.

Wong, P C, S C Ng, M P R Hamilton, C Anandakumar, Y C Wong and S S Ratnam.
Eighty consecutive cases of gamete intra-fallopian transfer.
Human Reproduction, 3 (1988): 231-233.

Sathananthan, A H, S C Ng, A O Trounson, T A Bongso, S S Ratnam, K C Ho, H P P Mok and M N Lee.
The effects of ultrarapid freezing on the meiotic and mitotic spindles of mouse oocytes and embryos.
Gamete Research, 21 (1988): 385-402.

Bongso, T A, S C Ng, S S Ratnam, A H Sathananthan and P C Wong.
Chromosome anomalies in human oocytes failing to fertilise after insemination in vitro.
Human Reproduction, 3 (1988): 645-649.

Bongso, T A, S C Ng, A H Sathananthan, M N Lim, H P P Mok, P C Wong and S S Ratnam.
Chromosomal analysis of two-cell mouse embryos frozen by slow and ultrarapid methods using two different cryoprotectants.
Fertility. and Sterility, 49 (1988): 908-912.

Bongso, T A, S C Ng, H P P Mok, M N Lee, P C Wong and S S Ratnam.
Evaluation of Chang's culture medium for mouse in in vitro fertilization and embryonic development.
Journal of In Vitro Fertilization and Embryo Transfer : IVF, 5 (1988): 102-106.

Bongso, T A, B Gajra, P L Ng, P C Wong, S C Ng and S S Ratnam.
Establishment of human endometrial cell cultures.
Human Reproduction, 3 (1988): 705-713.

Peh, K L, R Gunasegaram, A Loganath, S C Ng, S R Kottegoda and S S Ratnam.
Biosynthesis of dehydroepiandrosterone by term human fetal chorion in vitro.
Hormone and Metabolic Research, 19 (1987): 231-232.

Bongso, T A, S C Ng and S S Ratnam.
Chromosome preparations from human, mouse and hamster oocytes that prevents chromosome loss by overscattering.
Advances in Contraceptive Delivery Systems, 5 (1987): 59-62.

Ng, S C, R Karunanithy, W R Edirisinghe, A C Roy, P C Wong and S S Ratnam.
Human follicular fluid levels of calcium, copper and zinc.
Gynecologic & Obstetric Investigation, 23 (1987): 129-132.

Ng, S C, W R Edirisinghe, A H Sathananthan, C Anandakumar and S S Ratnam.
Bacterial infection of human oocytes- during in-vitro fertilization.
International Journal of Fertility, 32 (1987): 298-301.

Ng, S C, P C Wong, M P R Hamilton and S S Ratnam.
Simultaneous gamete intrafallopian transfer and in vitro fertilization.
Fertility and Sterility, 48 (1987): 896-897.

Ng, S C, W R Edirisinghe, P C Wong and S S Ratnam.
Effect of sperm motility on human embryo quality in in-vitro fertilization.
Gamete Research, 15 (1986): 35-42.

Edirisinghe, W R, H Y Law, S C Ng, C M Chia and S S Ratnam.
Superovulation of mice with human menopausal gonadotrophin (hMG) or pure follicle-stimulating hormone (FSH) in combination with human choriontic gonadotrophin (hCG) and the effects of oocyte aging on in vitro fertilization.
Journal of In Vitro Fertilization and Embryo Transfer : IVF, 3 (1986): 314-318.

Sathananthan, A H, S C Ng, W R Edirisinghe, S S Ratnam and P C Wong.
Sperm-oocyte interaction in the human during polyspermic fertilization in vitro.
Gamete Research, 15 (1986): 317-326.

Ng, S C, A H Sathananthan, T A Bongso, M N Lim, H P P Mok, P C Wong and S S Ratnam.
The use of amniotic fluid and serum with propanediol in freezing of murine 2-cell embryos.
Fertility and Sterility, 50 (1986): 510-513.

Gunasegaram, R, K L Peh, A Lo ganath, S C Ng, S R Kottegoda and S S Ratnam.
Identification of a b -3beta-hydroxy pathway of androgen biosynthesis in term human fetal amnion.
IRCS Journal of Medical Science, 14 (1986): 150-151.

Ng, S C, R Karunanithy, W R Edirisinghe, A C Roy, P C Wong and S S Ratnam.
Human follicular fluid levels of calcium, copper and zinc.
Journal of In Vitro Fertilization and Embryo Transfer : IVF, 3 (1986): 78.

Sathananthan, A H, S C Ng, C M Chia, H Y Law, W R Edirisinghe and S S Ratnam.
The origin and distribution of cortical granules in human oocytes with reference to Golgi, nucleolar and microfilament activity.
Annals of the New York Academy of Sciences, 442 (1985): 251-264.

Ng, S C, S S Ratnam, H Y Law, W R Edirisinghe, C M Chia, M H J Rauff, P C Wong, S C Yeoh, V H H Goh and C Anandakumar.
Follicular phase response in two clomiphene-human menopausal gonadotrophin regimes for an IVF program.
Journal of In Vitro Fertilization and Embryo Transfer IVF, 2, no.2 (1985): 94-98.

Ng, S C and S S Ratnam.
Endometrial reaction after embryo replacement. Journal of Reproductive Medicine, 30 (1985): 621-622.

Gunasegaram, R, K L Peh, A Loganath, S C Ng, S R Kottegoda and S S Ratnam.
Cholesterol synthesising enzymes in term human fetal amnion. Journal of Perinatal Medicine, 13 (1985): 143-146.

Sathananthan, A H, S C Ng, C M Chia, H Y Law, W R Edirisinghe and S S Ratnam.
The origin and distribution of cortical granules in human follicular oocytes (Abstract).
Journal of In Vitro Fertilization and Embryo Transfer-: IVF, 1, no.2 (1984): 136.

Ng, S C and S S Ratnam.
Ethics of research on embryos (Letter to editor).
Lancet, ii, no.8396 (1984): 231.

Gunasegarem, R, A Loganath, K L Peh, S C Ng, S R Kottegoda and S S Ratnam.
Demonstration of cholesterol synthesis by human foetal chorion.
IRCS Journal of Medical Science, 11 (1983): 498-499. (United Kingdom).

Gunasegaram, R, A Loganath, K L Peh, SC Ng, S M M Karim and S S Ratnam.
Evidence for cleavage of (26-4C) cholesterol side-chain by human fetal membranes in vitro.
Acta Endocrinologica, 102 (1983): 288-291.

Tambyraja, R L, S C Ng and S S Ratnam.
Postponement of preterm labour with Fenoterol (Partusisten).
New Zealand Journal of Gynaecology and Obstetrics, 93 (1981): 218-224.

Ng, S C, Y F Teh and C K Tan.
Cholinergic and adrenergic receptors in the oesophageal, pyloric and special sphincters of the puffer fish, Tetraodon immaculatus.
Comparative and General Pharmacology, 4, no.13 (1973): 43-46.