Sungkar, A., F. Maulina, and M. A. F. Dilmy. “Hypervolemia and Physiology Changes in Triplet Pregnancy in a Mother With Permanent Pacemakers Due to Bradicardia Resulting from Sinus Node Dysfunction Due to AV Block With Secondary Infertility for 19 Years”. Majalah Obstetri & Ginekologi, vol. 28, no. 3, Dec. 2020, pp. 128-34, doi:10.20473/mog.V28I32020.128-134.