Lateral inspiration and expiration radiographs of the neck in children with laryngotracheitis (croup).
D000208:Acute Disease; D002675:Child, Preschool; D003440:Croup / Q000000981:diagnostic imaging*; D006801:Humans; D007013:Hypopharynx / Q000000981:diagnostic imaging; D007223:Infant; D007827:Laryngitis / Q000000981:diagnostic imaging*; D009333:Neck / Q000000981:diagnostic imaging*; D011187:Posture; D011859:Radiography; D012119:Respiration