title: The problems of congenital bilateral choanal atresia in the newborn.
mesh_terms: D004200:Diseases in Twins; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000175:diagnosis* / Q000601:surgery; D008297:Male; D009305:Nasopharynx / Q000002:abnormalities* / Q000601:surgery