Effects of conjugated equine estrogens on breast cancer and mammography screening in postmenopausal women with hysterectomy. - Stefanick ML; Anderson GL; Margolis KL; Hendrix SL; Rodabough RJ; Paskett ED; Lane DS; Hubbell FA; Assaf AR; Sarto GE; Schenken RS; Yasmeen S; et al. (JAMA, 2006)