Espiritu, Joseph Michael. “A Study on the Diagnostic Value of p57kip2 Among Gestational Trophoblastic Diseases at a Philippine Hospital in 2020”. Journal of Medical and Health Studies 4, no. 2 (April 15, 2023): 101–109. Accessed October 3, 2025. https://al-kindipublishers.org/index.php/jmhs/article/view/5122.