Berberine Reverses Breast Cancer Multidrug Resistance Based on Fluorescence Pharmacokinetics In Vitro and In Vivo oleh Ke Qian, Chao-yuan Tang, Li-ying Chen, Shuang Zheng, Yue Zhao, Li-sha Ma, Li Xu, Lu-hui Fan, Jian-dong Yu, Hong-sheng Tan, Ya-lan Sun, Li-li Shen, Yang Lu, Qi Liu, Yun Liu, Yang Xiong