Upregulation of PD-L1 contributes to improving the apoptosis of granulosa cells via the PI3K/AKT pathway in PCOS - Han, Rui; Zhu, Yuejie; Zhang, Xiaoting; Liu, Xiaoran; Xia, Yan; Ye, Erdengqieqieke; La, Xiaolin; Ding, Jianbing (Journal of Assisted Reproduction and Genetics, 2025)