title: Images in clinical medicine. Pneumomediastinum and severe subcutaneous emphysema.
authors.affiliation: University Hospital Groningen, The Netherlands.
authors.forename: F G
authors.initials: FG
authors.lastname: van der Kleij
authors.forename: J G
authors.initials: JG
authors.lastname: Zijlstra
mesh_terms: D000063:Accidents, Traffic; D000368:Aged; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography; D013352:Subcutaneous Emphysema / Q000000981:diagnostic imaging* / Q000209:etiology