title: Werdnig-Hoffmann-Wohlfart-Kugelberg-Welander disease. Nosological unity and clinical variability in intrafamilial cases.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D003711:Demyelinating Diseases; D004576:Electromyography; D005121:Extremities; D005260:Female; D006801:Humans; D008297:Male; D009046:Motor Neurons; D009133:Muscular Atrophy / Q000175:diagnosis / Q000235:genetics*; D010243:Paralysis; D010375:Pedigree; D013118:Spinal Cord Diseases / Q000175:diagnosis / Q000235:genetics*