Empirical genetic risk among offspring of cleft lip and cleft palate patients.
D002648:Child; D002971:Cleft Lip / Q000150:complications / Q000235:genetics*; D002972:Cleft Palate / Q000150:complications / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D011795:Surveys and Questionnaires