Palinoan, Meynita, Juneke J Kaeng, and Erna Suparman. “Levels of 25 Hydroxyvitamin D in Normotensive Pregnancy and Severe Preeclampsia”. Indonesian Journal of Obstetrics and Gynecology 6, no. 2 (April 19, 2018): 78–83. Accessed March 8, 2026. https://inajog.com/index.php/journal/article/view/765.