title: Pneumomediastinum: an unusual radiographic finding following mid-facial trauma injury.
authors.affiliation: Charles Clifford Dental Hospital, Sheffield, UK.
authors.forename: M
authors.initials: M
authors.lastname: Ashley
authors.forename: C
authors.initials: C
authors.lastname: Jones
mesh_terms: D000328:Adult; D005151:Facial Injuries / Q000150:complications* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging* / Q000209:etiology; D009917:Orbital Fractures / Q000150:complications / Q000000981:diagnostic imaging; D011859:Radiography