The effect of estrogen vs. combined estr
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Kueiyu Joshua Lin; Winson Y. Cheung; Jennifer Yi-Chun Lai; Edward L. Giovannucci
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Article
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2011
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John Wiley and Sons
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French
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## Abstract Studies suggest that estrogen therapy (ET) and combined estrogenβprogestogen therapy (EPT) may have different associations with colorectal cancer (CRC) risk, but data are conflicting. Prior metaβanalyses did not distinguish between ET and EPT. We conducted a metaβanalysis to summarize t