Merlo, Sebastjan, et al. “Preoperative Serum CA-125 Level As a Predictor for the Extent of Cytoreduction in Patients With Epithelial Ovarian Cancer: Serum CA-125 Level in Patients With Epithelial Ovarian Cancer”. Radiology and Oncology, vol. 55, no. 3, July 2021, pp. 341-6, https://www.radioloncol.com/index.php/ro/article/view/3591.