Reproducibility and validity of self-reported menopausal status in a prospective cohort study.
Colditz GA, Stampfer MJ, Willett WC, Stason WB, Rosner B, Hennekens CH, Speizer FE. Reproducibility and validity of self-reported menopausal status in a prospective cohort study. Am J Epidemiol. 1987 Aug; 126(2):319-25.
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Walter C. Willett, Dr.P.H., M.D.
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Bernard Alfred Rosner, Ph.D.
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Meir Jonathan Stampfer, Dr.P.H., M.D.
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Graham Andrew Colditz, M.D., Dr.P.H., M.B.,B.S.
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Frank Erwin Speizer, M.D.