title: The incidence of congenital malformation in Dr. Pirngadi hospital, Medan.
mesh_terms: D000328:Adult; D000013:Congenital Abnormalities / Q000453:epidemiology*; D004314:Down Syndrome / Q000453:epidemiology; D005260:Female; D006801:Humans; D007194:India; D007214:Indonesia; D007231:Infant, Newborn; D008423:Maternal Age; D011247:Pregnancy