title: Quantitative electromyographic findings in some collagen diseases.
mesh_terms: D000200:Action Potentials; D000368:Aged; D003095:Collagen Diseases / Q000175:diagnosis* / Q000503:physiopathology; D004576:Electromyography; D005071:Evoked Potentials; D005542:Forearm; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis; D008875:Middle Aged; D009119:Muscle Contraction; D009132:Muscles / Q000503:physiopathology; D009220:Myositis / Q000175:diagnosis* / Q000503:physiopathology; D010488:Polyarteritis Nodosa / Q000175:diagnosis; D011111:Polymyalgia Rheumatica / Q000175:diagnosis* / Q000503:physiopathology; D012595:Scleroderma, Systemic / Q000175:diagnosis