Spontaneous pneumomediastinum.
Conway
E E
EE
D000293:Adolescent; D003042:Cocaine; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000209:etiology*; D019966:Substance-Related Disorders / Q000150:complications; D014636:Valsalva Maneuver
D003042:Cocaine