RETRACTED: Kuntai capsule attenuates premature ovarian failure through the PI3K/AKT/mTOR pathway. (15th July 2019) - Zhang, Han; Qin, Fenfen; Liu, Anlong; Sun, Qinmei; Wang, Qisheng; Li, Qian; Lu, Shengfeng; Zhang, Dong; Lu, Zhigang