Caan BJ, Aragaki A, Thomson CA, Stefanick ML, Chlebowski R, Hubbell FA, Tinker L, Vitolins M, Rajkovic A, Bueche M, Ockene J. Vasomotor symptoms, adoption of a low-fat dietary pattern, and risk of invasive breast cancer: a secondary analysis of the Women's Health Initiative randomized controlled dietary modification trial. J Clin Oncol. 2009 Sep 20; 27(27):4500-7.