title: Electromyography in polymyositis and some related disorders.
mesh_terms: D003240:Connective Tissue Diseases / Q000175:diagnosis; D003882:Dermatomyositis / Q000503:physiopathology; D003937:Diagnosis, Differential; D004576:Electromyography; D006801:Humans; D009046:Motor Neurons / Q000502:physiology; D009132:Muscles / Q000503:physiopathology; D009220:Myositis / Q000175:diagnosis / Q000503:physiopathology*; D010146:Pain / Q000503:physiopathology