Use of a life events calendar approach t
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Jane A. Hoppin; Paige E. Tolbert; Elaine W. Flagg; Aaron Blair; Shelia H. Zahm
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Article
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1998
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John Wiley and Sons
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English
β 139 KB
π 2 views
## Background: Precise and valid exposure assessment is generally the primary challenge in retrospective occupational epidemiology studies, particularly when the only available method for exposure characterization is a personal interview. agricultural workers may represent a particular challenge; f