Novyan, Hafis, Rajuddin Rajuddin, and Niken Asri Utami. “Maternal Vitamin D and Its Role in Amniotic Membrane Thickness in Premature Rupture of Membranes”. Indonesian Journal of Obstetrics and Gynecology 14, no. 2 (April 22, 2026): 119–123. Accessed June 23, 2026. https://www.inajog.com/index.php/journal/article/view/2013.