Cardioprotective effect of stem-leaf saponins from Panax notoginseng on mice with sleep derivation by inhibiting abnormal autophagy through PI3K/Akt/mTOR pathway - Cao, Y; Li, Q; Yang, Y; Ke, Z; Chen, S; Li, M; Fan, W; Wu, H; Yuan, J; Wang, Z; Wu, X (Front Cardiovasc Med, 2021)