title: The spectrum of polymyositis and dermatomyositis.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D003882:Dermatomyositis / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology; D004576:Electromyography; D005260:Female; D006801:Humans; D007166:Immunosuppressive Agents / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D009220:Myositis / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology; D011241:Prednisone / Q000627:therapeutic use; D011379:Prognosis
chemical_list: D007166:Immunosuppressive Agents; D011241:Prednisone