Serudji, Joserizal, and Rizanda Machmud. “Comparison on the Incidence of Blood Pressure Increase in the Second Trimester Based On Glomerular Filtration Rate (GFR)”. Andalas Obstetrics And Gynecology Journal 3, no. 1 (January 10, 2019): 15–26. Accessed October 11, 2026. https://jurnalobgin.fk.unand.ac.id/index.php/JOE/article/view/119.