Epidemiologic and genetic study of cleft lip and palate in Iceland.
D000367:Age Factors; D002971:Cleft Lip / Q000453:epidemiology* / Q000235:genetics; D002972:Cleft Palate / Q000453:epidemiology* / Q000235:genetics; D005260:Female; D006801:Humans; D007055:Iceland; D008297:Male; D010375:Pedigree; D011247:Pregnancy