Evaluation of estrogenic activity of plant extracts for the potential treatment of menopausal symptoms - Liu,J.; Burdette,J.E.; Xu,H.; Gu,C.; Breemen,R.B.; Bhat,K.P.; Booth,N.; Constantinou,A.I.; Pezzuto,J.M.; Fong,H.H.; Farnsworth,N.R.; Bolton,J.L. (J Agric Food Chem, 2001)