The muscle biopsy findings and the electromyographic changes in Kugelberg-Welander's disease.
D001706:Biopsy; D004576:Electromyography; D006801:Humans; D009132:Muscles / Q000473:pathology; D009133:Muscular Atrophy / Q000503:physiopathology*; D013118:Spinal Cord Diseases / Q000503:physiopathology*