Esen, İrfan, Selin Akturk Esen, Soner Cander, Ozen Oz Gul, Gokhan Ocakoglu, and Erdinc Erturk. “Causes of Elevated Parathyroid Hormone Levels in Postmenopausal Women”. The European Research Journal 3, no. 3 (November 3, 2017): 234–242. Accessed April 5, 2026. https://eurj.org.tr/article/view/126.