title: Return to collision sport after pneumomediastinum.
authors.affiliation: Duke University Student Health, Durham, NC, USA. Liz.Joy@imail.org
authors.forename: Ronald P
authors.initials: RP
authors.lastname: Olson
mesh_terms: D000328:Adult; D006688:Hockey / Q000293:injuries*; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000175:diagnosis / Q000209:etiology*; D020127:Recovery of Function; D012075:Remission, Spontaneous