Calycosin stimulates proliferation of estrogen receptor-positive human breast cancer cells through downregulation of Bax gene expression and upregulation of Bcl-2 gene expression at low concentrations - Chen, J; Xiong, W B; Xiong, Y; Wu, Y; Chen, X J; Shao, Z J; Liu, L T; Kuang, W J; Tan, X S; Zhou, L M (J Parenter Enteral Nutr, 2011)