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Journal of Biosocial Science|January 1, 1991
A reversal of fertility trends in SingaporeK Singh, Y F Fong, S S RatnamSingapore Medical Journal|February 1, 1992
Attitudes to AIDS and sexual behaviour among a cohort of medical students in SingaporeK Singh, Y F Fong, S S RatnamAdvances in Contraception : the Official Journal of the Society for the Advancement of Contraception|March 1, 1990
A three-year evaluation of metabolic changes in Singaporean Norplant acceptorsK Singh, O A Viegas, S S RatnamAnnals of the Academy of Medicine, Singapore|November 25, 2003
Fetal cells in maternal blood: state of the art for non-invasive prenatal diagnosisS S Ho, K O'Donoghue, M ChoolaniAnnals of the Academy of Medicine, Singapore|November 1, 1992
Long-term oestrogen priming on basal and oestradiol-induced release of luteinising hormone secretion in male ratsD F Loke, S S Ratnam, H H GohThe Australian & New Zealand Journal of Obstetrics & Gynaecology|May 1, 1985
Another look at initiation of human parturitionA C Roy, S R Kottegoda, S S RatnamInternational Journal of Gynaecology and Obstetrics: the Official Organ of the International Federation of Gynaecology and Obstetrics|January 1, 1978
Postponement of preterm birth with salbutamolR L TambyRaja, R N Prasad, S S RatnamAnnals of the Academy of Medicine, Singapore|January 1, 1980
Plasma concentration of steroid hormones after intravenous infusion of testosterone in castrated male transsexualsH H Goh, S M Karim, S S RatnamJournal of Neuroendocrinology|May 11, 2011
Luteinizing hormone surge in adult female rats after androgen primingD F Loke, S S Ratnam, H H GohActa Obstetricia Et Gynecologica Scandinavica|January 1, 1997
Fetal breathing recorded by actocardiogram and real--time ultrasonography. A comparisonP Malcus, K Razvi, S Arulkumaran, et al.Pageof 42