Demonstration of mixed properties of RU486 in progesterone receptor (PR) -trans- fected MDA-MB-231 cells: a model for studying the functions of progesterone analogues. Br J Cancer 2001; 85: 1978-1986Lin VC, Aw SE, Ng EH, Ng EH & Tan MG 2001 Demonstration of mixed properties of RU486...