Werdnig-Hoffmann disease.
D001706:Biopsy; D003711:Demyelinating Diseases; D006801:Humans; D007223:Infant; D008297:Male; D009046:Motor Neurons; D009133:Muscular Atrophy / Q000235:genetics* / Q000473:pathology / Q000503:physiopathology; D009410:Nerve Degeneration; D009431:Neural Conduction; D013577:Syndrome