Syed Muhammad Ashraf Jahangeer, A. Ashraf Khan, and M. Mansoor. “Role of Aspirin in the Prevention of Preeclampsia in Previously Hypertensive Pregnant Women: A Meta-Analysis”. Journal of the Pakistan Medical Association, vol. 73, no. 4, Mar. 2023, pp. 838-42, doi:10.47391/JPMA.5544.