title: Etiological variables in oral clefts.
mesh_terms: D000014:Abnormalities, Drug-Induced; D002971:Cleft Lip / Q000453:epidemiology / Q000209:etiology* / Q000235:genetics; D002972:Cleft Palate / Q000453:epidemiology / Q000209:etiology* / Q000235:genetics; D005260:Female; D005387:Finland; D006801:Humans; D008297:Male; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011295:Prenatal Care