title: Images in cardiology. Pneumomediastinum: a cause of chest pain.
authors: keibow@med.niigata-u.ac.jp
authors: K
authors: K
authors: Naganuma
authors: M
authors: M
authors: Ito
authors: Y
authors: Y
authors: Aizawa
mesh_terms: D000293:Adolescent; D002637:Chest Pain / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000150:complications* / Q000000981:diagnostic imaging; D011859:Radiography