Phase II study of vorozole (R83842), a new aromatase inhibitor, in postmenopausal women with advanced breast cancer in progression on tamoxifen. - Goss,P.E.; Clark,R.M.; Ambus,U.; Weizel,H.A.; Wadden,N.A.; Crump,M.; Walde,D.; Tye,L.M.; De Coster,R.; Bruynseels,J. (Clin Cancer Res, 1995)