title: Primary lateral sclerosis.
authors.forename: S
authors.initials: S
authors.lastname: Fredrikson
authors.forename: H
authors.initials: H
authors.lastname: Link
mesh_terms: D001898:Borrelia / Q000302:isolation & purification*; D002493:Central Nervous System Diseases / Q000382:microbiology* / Q000473:pathology; D006801:Humans; D012598:Sclerosis