Published in Women's Health Weekly, February 15th, 1995
A study was done by New York researchers to assess breast cancer risk in relation to circulating levels of the two major endogenous estrogens, estradiol and estrone, in postmenopausal women before clinical disease onset ("A Prospective Study of Endogenous Estrogens and Breast Cancer in Postmenopausal Women," Journal of the National Cancer Institute, February 1, 1995;87(3):190-7).
Paolo G. Toniolo et al. recruited a study cohort from 14,291 women who attended the Guttman Breast...
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