Hereditary amyotrophic lateral sclerosis.
D000328:Adult; D000690:Amyotrophic Lateral Sclerosis / Q000209:etiology / Q000235:genetics*; D006801:Humans; D008297:Male; D009460:Neurologic Examination; D010375:Pedigree; D011712:Pyramidal Tracts / Q000503:physiopathology