Tan Cheng LIM ; Tan Keng WEE ; Fam Kim LOY
Singapore medical journal 1979;20(3):381-390
Adolescent ; Adult ; Apgar Score ; Birth Weight ; Breast Feeding ; Congenital Abnormalities ; epidemiology ; Delivery, Obstetric ; Female ; Humans ; Infant ; Infant, Newborn ; Infant, Newborn, Diseases ; epidemiology ; Male ; Mass Screening ; Middle Aged ; Singapore