title: Valsalva maneuver-induced recurrent subcutaneous emphysema of the face and neck.
mesh_terms: D000328:Adult; D004646:Emphysema / Q000209:etiology*; D005145:Face; D006801:Humans; D008297:Male; D009333:Neck; D013352:Subcutaneous Emphysema / Q000209:etiology*; D014636:Valsalva Maneuver