Electrophysiologic and histological studies in patients with Friedreich's ataxia.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001706:Biopsy; D002648:Child; D005621:Friedreich Ataxia / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D009046:Motor Neurons; D009413:Nerve Fibers, Myelinated; D009431:Neural Conduction; D010525:Peripheral Nerves / Q000503:physiopathology*