title: Cleft lip and cleft palate: one genetic system. A new hypothesis.
mesh_terms: D000483:Alleles; D002971:Cleft Lip / Q000453:epidemiology / Q000235:genetics*; D002972:Cleft Palate / Q000453:epidemiology / Q000235:genetics*; D005190:Family; D005828:Genetics, Population; D005838:Genotype; D006801:Humans; D010375:Pedigree; D012008:Recurrence