title: [Differential diagnosis and therapy of "polymyositis"].
mesh_terms: D003882:Dermatomyositis / Q000175:diagnosis; D003937:Diagnosis, Differential; D004576:Electromyography; D006801:Humans; D008875:Middle Aged; D009135:Muscular Diseases / Q000145:classification* / Q000175:diagnosis / Q000628:therapy; D009220:Myositis / Q000175:diagnosis*
vernacular_title: Differentialdiagnose und Therapie der "Polymyositis".