title: Letter: Drug-induced myositis ossificans circumscripta.
mesh_terms: D000328:Adult; D003932:Heroin / Q000008:administration & dosage / Q000009:adverse effects*; D006801:Humans; D007275:Injections, Intravenous / Q000009:adverse effects*; D008297:Male; D009221:Myositis Ossificans / Q000139:chemically induced*; D019966:Substance-Related Disorders
chemical_list: D003932:Heroin