Manik, Kindry, and Hotma Partogi Pasaribu. “An Overview of the Level of Knowledge of Medical Student of Universitas Sumatera Utara about Risky Pregnancies”. Sumatera Medical Journal 5, no. 2 (May 1, 2022). Accessed December 23, 2024. https://talenta.usu.ac.id/smj/article/view/7964.