title: [Congenital choanal imperforation. Clinical and etiopathogenetic considerations, of the literature review and case contribution].
mesh_terms: D000293:Adolescent; D000368:Aged; D005260:Female; D006801:Humans; D009305:Nasopharynx / Q000002:abnormalities* / Q000000981:diagnostic imaging; D011859:Radiography; D012903:Smell
vernacular_title: L'imperforazione coanale congenita. Considerazioni eziopatogenetiche e cliniche, revisione della letteratura e contributo casistico.