Li, X., Liu, T. ., Yalan Li, Siyuan Zeng, Peng Yuan, Yaqiang Hong, & Hongbo Qi. (2026). Klotho in placenta related pregnancy complications: A systematic review and meta-analysis. Placenta and Reproductive Medicine, 5(1), 59–70. https://doi.org/10.54844/prm.2026.1184