[ELECTROMYOGRAPHIC STUDY IN DERMATOMYOSITIS AND POLYMYOSITIS].
D000293:Adolescent; D002648:Child; D003882:Dermatomyositis; D004576:Electromyography; D006801:Humans; D009220:Myositis; D017285:Polymyositis; D012106:Research
ADOLESCENCE; CHILD; DERMATOMYOSITIS; ELECTROMYOGRAPHY; MYOSITIS