title: Images in clinical medicine. Steeple sign of croup.
authors: Mackay Memorial Hospital, Taipei, Taiwan. hcc.5306@ms1.mmh.org.tw
authors: Chun-Chao
authors: CC
authors: Huang
authors: Shin-Lin
authors: SL
authors: Shih
mesh_terms: D003440:Croup / Q000000981:diagnostic imaging*; D006801:Humans; D007223:Infant; D008297:Male; D011859:Radiography; D014132:Trachea / Q000000981:diagnostic imaging*