B-Sitosterol, b-Sitosterol Glucoside, and a Mixture of b-Sitosterol and b-Sitosterol Glucoside Modulate the Growth of Estrogen-Responsive Breast Cancer Cells In Vitro and in Ovariectomized Athymic Mice Ju, Y.H.; Clausen, L.M.; Allred, K.F. The Journal of Nutrition 134(5): 45-51 2004 https://eurekamag.com/research/010/034/010034205.php