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Serum Cholinesterase Inhibition in Relation to Paraoxonase-1 (PON1) Status among Organophosphate-Exposed Agricultural Pesticide Handlers PMCID: PMC2737017 Newborn Screening Archives as a Specimen Source for Epidemiologic Studies: Feasibility and Potential for Bias PMCID: PMC2190083 Published in final edited form as: Ann Epidemiol. 2008 January; 18(1): 58–64. doi: 10.1016/j.annepidem.2007.06.002. |