title: [Diagnostic significance of electromyography in nervous system diseases].
mesh_terms: D000293:Adolescent; D004576:Electromyography; D005071:Evoked Potentials; D006801:Humans; D008297:Male; D010523:Peripheral Nervous System Diseases / Q000175:diagnosis*; D013118:Spinal Cord Diseases / Q000175:diagnosis*