Rosyidah, Rafhani, and Nurul Azizah. “Buku Ajar Mata Kuliah Obstetri Pathologi (Pathologi Dalam Kehamilan)”. Umsida Press (August 28, 2021): 1-135. Accessed July 3, 2024. https://press.umsida.ac.id/index.php/umsidapress/article/view/978-602-5914-88-1.