Aslam, T., S. A. Jabbar, M. Khakwani, F. Arshad, and A. Razzaq. “Role of Vitamin D in Prevention of Preeclampsia Recurrence in Pregnant Women With Previous History of Preeclampsia: A Randomized Controlled Trial: Vitamin D in Prevention of Preeclampsia Recurrence in Pregnant Women”. Pakistan Journal of Health Sciences, vol. 7, no. 7, July 2026, pp. 21-26, doi:10.54393/pjhs.v7i7.3953.