Congenital choanal atresia.
D001238:Asphyxia Neonatorum / Q000209:etiology*; D002754:Choanal Atresia; D006801:Humans; D007231:Infant, Newborn; D009296:Nasal Cavity / Q000002:abnormalities*; D015619:Respiratory System Abnormalities
ASPHYXIA NEONATORUM/etiology and pathogenesis; NASAL CAVITY/abnormalities