Ezeike, Azuka C., Idris M. Liman, Rukayya M. Babandi, Elizabeth O. Austin-Amadi, and Mfon Nehemiah. “Successful Multiple-Dose Methotrexate Therapy for Unruptured Repeat Ectopic Pregnancy With High β-Human Chorionic Gonadotropin Value: A Case Report”. International Journal of Research in Medical Sciences 12, no. 2 (January 30, 2024): 557–561. Accessed October 13, 2025. https://www.msjonline.org/index.php/ijrms/article/view/13040.