Neurogenic muscular atrophy of infancy with prolonged survival--the variable course of Werdnig-Hoffmann disease.
D000293:Adolescent; D000328:Adult; D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D004576:Electromyography; D006801:Humans; D009133:Muscular Atrophy / Q000175:diagnosis*