Respiratory stridor--a challenge for the paediatric radiologist.
D004947:Esophagus / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007223:Infant; D007830:Larynx / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D012135:Respiratory Sounds / Q000145:classification / Q000209:etiology*; D012140:Respiratory Tract Diseases / Q000150:complications / Q000000981:diagnostic imaging*; D013896:Thoracic Diseases / Q000150:complications; D014132:Trachea / Q000000981:diagnostic imaging