海量图书期刊资源,随时随地畅享阅读乐趣
Breastfeeding trends in SingaporeS. Chua; O.A.C. Viegas; J.J. Counsilman; S.S. Ratnam · 1989
Maternal Mortality: Evolving TrendsF.H. Loh; Dr. S. Arulkumaran; Sven Montan; S.S. Ratnam · 1994
Editorial BoardIngemarsson, L.; Arulkumaran, S.; Paul, R.H.; Ingemarsson, E.; Tambyraja, R.L.; Ratnam, S.S. · Hematology/Oncology Clinics of North America · 1999
ETHICS OF RESEARCH ON EMBRYOSChye, NgSoon; Ratnam, S.S. · The Lancet · 1984
Malignant Melanoma of the CervixChua, S.; Viegas, O.A.C.; Wee, A.; Ratnam, S.S. · Gynecologic and Obstetric Investigation · 1989
Metastatic cerebral choriocarcinoma with primary neurological presentationA. Ilancheran; S.S. Ratnam; G. Baratham · 1988
Current views on the management of trophoblastic tumorsK.F. Tham; S.S. Ratnam · 1995