title: Social class and mortality in occupational cohorts.
authors.forename: R M
authors.initials: RM
authors.lastname: Park
mesh_terms: D015331:Cohort Studies; D004651:Employment / Q000706:statistics & numerical data; D004739:England / Q000453:epidemiology; D004812:Epidemiologic Methods; D006801:Humans; D008297:Male; D009026:Mortality; D009790:Occupations; D012923:Social Class; D014852:Wales / Q000453:epidemiology