Bilateral choanal atresia in the newborn. (Two case reports).
D000015:Abnormalities, Multiple; D000402:Airway Obstruction / Q000209:etiology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology*; D008297:Male; D009667:Nose Deformities, Acquired / Q000150:complications* / Q000601:surgery