[Pneumomediastinum].
Johansen
T E
TE
Wighus
L
L
D000328:Adult; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging* / Q000209:etiology / Q000628:therapy; D011859:Radiography; D012907:Smoking / Q000009:adverse effects
Pneumomediastinum.