Physiological concentrations of dietary genistein dose-dependently stimulate growth of estrogen-dependent human breast cancer (MCF-7) tumors implanted in athymic nude mice - Ju,Y.H.; Allred,C.D.; Allred,K.F.; Karko,K.L.; Doerge,D.R.; Helferich,W.G. (J Nutr, 2001)