Complex sentence: In 1970 he was made Chief Examiner and Director (1972) of Postgraduate Medical Studies at N.U.S. Member of editorial boards of several learned journals, including, International Journal of Obstetrics & Gynaecology, and International Journal of Prenatal and Perinatal Studies.
Split into simpler sentences: In 1970 he was made Chief Examiner and Director (1972) of Postgraduate Medical Studies at NUS. He was a member of the editorial boards of several learned journals, including the International Journal of Obstetrics & Gynaecology, and International Journal of Prenatal and Perinatal Studies.