title: Atypical forms of familial amyotrophic lateral sclerosis.
mesh_terms: D000328:Adult; D000367:Age Factors; D000690:Amyotrophic Lateral Sclerosis / Q000145:classification / Q000235:genetics* / Q000473:pathology; D005260:Female; D005799:Genes, Dominant; D005808:Genes, Recessive; D006801:Humans; D008297:Male; D008526:Medulla Oblongata / Q000473:pathology; D008875:Middle Aged