Maan, Z N Spontaneous subcutaneous emphysema associated with mephedrone usage. [electronic resource] - Annals of the Royal College of Surgeons of England Jan 2012 - e38-40 p. digital Publication Type: Case Reports; Journal Article ISSN: 1478-7083 Standard No.: 10.1308/003588412X13171221499108 doi Subjects--Topical Terms: AdultAmphetamine-Related Disorders--complicationsHumansMaleMethamphetamine--adverse effectsNeckRadiographySubcutaneous Emphysema--chemically induced