title: Role of repeated trauma by pneumatic drill in production of amyotrophic lateral sclerosis.
authors.forename: B J
authors.initials: BJ
authors.lastname: ALPERS
authors.forename: R A
authors.initials: RA
authors.lastname: FARMER
mesh_terms: D000690:Amyotrophic Lateral Sclerosis; D006801:Humans; D012598:Sclerosis
keywords: SCLEROSIS/amyotrophic lateral