title: A genetic study on palatolabial defects.
mesh_terms: D001938:Brazil; D002971:Cleft Lip / Q000453:epidemiology / Q000235:genetics* / Q000401:mortality; D002972:Cleft Palate / Q000453:epidemiology / Q000235:genetics* / Q000401:mortality; D003241:Consanguinity; D005260:Female; D005787:Gene Frequency; D006801:Humans; D008297:Male; D010298:Parity; D012744:Sex Ratio