Lee-Feldstein, A A comparison of several measures of exposure to arsenic. Matched case-control study of copper smelter employees. [electronic resource] - American journal of epidemiology Jan 1989 - 112-24 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0002-9262 Standard No.: 10.1093/oxfordjournals.aje.a115100 doi Subjects--Topical Terms: AdultAir Pollutants, Occupational--analysisArsenic--adverse effectsHumansMaleMetallurgyOccupational Diseases--chemically inducedRespiratory Tract Neoplasms--chemically inducedRetrospective StudiesRisk Factors