Shittu, Muhammad Adamu, Stephen Oyewole Olaoye, and Farouk Kabir Umar. “Are Preoperative Serum Cancer Antigen 125 Levels a Prognostic Factor for Outcome in Epithelial Ovarian Cancer? A Systematic Review”. Nigerian Medical Journal 65, no. 2 (May 23, 2024): 108–118. Accessed April 21, 2026. https://nigerianmedjournal.org/index.php/nmj/article/view/418.