Indicence of congenital malformations in Nigerian children.
D002648:Child; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000453:epidemiology* / Q000401:mortality; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D009549:Nigeria; D010298:Parity; D011247:Pregnancy; D011272:Pregnancy, Multiple