[Case of idiopathic fibrous choanal atresia].
D000328:Adult; D003095:Collagen Diseases / Q000150:complications; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D009296:Nasal Cavity; D009305:Nasopharynx / Q000002:abnormalities; D009667:Nose Deformities, Acquired / Q000209:etiology*
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