The Kugelberg Welandar syndrome.
D002675:Child, Preschool; D005121:Extremities; D006801:Humans; D009046:Motor Neurons; D009133:Muscular Atrophy / Q000235:genetics*; D010375:Pedigree; D013118:Spinal Cord Diseases / Q000235:genetics*; D013577:Syndrome