title: Relative risk of mesothelioma among railroad machinists exposed to chrysotile.
authors.forename: I
authors.initials: I
authors.lastname: Higgins
mesh_terms: D001194:Asbestos / Q000009:adverse effects*; D017632:Asbestos, Serpentine; D015331:Cohort Studies; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D008654:Mesothelioma / Q000209:etiology*; D009784:Occupational Diseases / Q000209:etiology*; D011890:Railroads; D012307:Risk Factors
chemical_list: D017632:Asbestos, Serpentine; D001194:Asbestos