Kamri, A. M., B. Putra, R. Kosman, and P. S. Basri. “Folic Acid Supplementation in First-Trimester Pregnant Women for Preeclampsia Prevention: A Retrospective Cohort Study”. Journal of Pharmaceutical and Sciences, vol. 8, no. 3, July 2025, pp. 1479-85, doi:10.36490/journal-jps.com.v8i3.901.