Muninggar, Laili, M Yusuf, and Budi Prasetyo. “Maternal Mortality Risk Factor in Pregnancy With Heart Disease at Dr. Soetomo General Hospital, Surabaya, Indonesia”. Majalah Obstetri & Ginekologi 27, no. 1 (May 23, 2019): 17–23. Accessed November 13, 2024. https://e-journal.unair.ac.id/MOG/article/view/13083.