title: External ear malformations: epidemiology, genetics, and natural history.
mesh_terms: D000367:Age Factors; D002869:Chromosome Aberrations / Q000235:genetics; D025063:Chromosome Disorders; D000013:Congenital Abnormalities / Q000453:epidemiology / Q000209:etiology* / Q000473:pathology; D004431:Ear, External / Q000002:abnormalities* / Q000196:embryology; D004777:Environment; D005817:Genetic Counseling; D006801:Humans; D009024:Morphogenesis; D009154:Mutation; D010375:Pedigree; D044469:Racial Groups; D012737:Sex Factors; D013577:Syndrome