title: Mediastinal and subcutaneous emphysema following pulmonary function tests.
mesh_terms: D000328:Adult; D004646:Emphysema / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging / Q000209:etiology*; D009333:Neck; D011859:Radiography; D012867:Skin; D013147:Spirometry / Q000009:adverse effects*