title: Virological studies of amyotrophic lateral sclerosis: an overview.
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000453:epidemiology / Q000209:etiology* / Q000276:immunology; D000914:Antibodies, Viral / Q000032:analysis; D004675:Encephalitis, Tick-Borne / Q000150:complications; D006801:Humans; D011051:Poliomyelitis / Q000150:complications; D017955:Poliovirus; D012897:Slow Virus Diseases / Q000150:complications
chemical_list: D000914:Antibodies, Viral