The case of the croupy child.
D002675:Child, Preschool; D003440:Croup / Q000000981:diagnostic imaging* / Q000209:etiology; D004947:Esophagus; D005547:Foreign Bodies / Q000150:complications / Q000000981:diagnostic imaging*; D006801:Humans; D007827:Laryngitis / Q000000981:diagnostic imaging*; D008297:Male; D011859:Radiography