ANDRIJONO, ANDRIJONO, and W. L. HEFFEN. “Study of Apoptosis Induction of Hydatidiform Mole Trophoblastic Cell by the Administration of Retinoic Acid”. Indonesian Journal of Obstetrics and Gynecology, vol. 32, no. 2, Oct. 2016, https://www.inajog.com/index.php/journal/article/view/155.