Congenital malformations. A report of a study of series of consecutive births in 24 centres.
D001208:Asia; D001315:Australia; D000013:Congenital Abnormalities / Q000453:epidemiology*; D005060:Europe; D005260:Female; D006801:Humans; D008297:Male; D008800:Mexico; D013019:South Africa; D013020:South America