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