Incidence of congenital abnormalities in Liverpool, 1960-64.
D002648:Child; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000453:epidemiology; D004739:England; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012189:Retrospective Studies