title: Congenital choanal atresia.
mesh_terms: D004106:Dilatation; D004724:Endoscopy; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007440:Intubation; D008297:Male; D009305:Nasopharynx / Q000002:abnormalities* / Q000601:surgery