Protective effects and regulatory mechanisms of Shen-shuai-yi recipe on renal fibrosis in unilateral ureteral obstruction-induced mice oleh Ping-lan Lin, Tao-tao Weng, Lian-xiang Duan, Lin-zhang Zhang, Xia Wei, Sheng-lan Qi, Jia-wen You, Yu Cao, Guang-bo Ge, Wei Liu, Xiao-li He, Jing Hu