Rathod S, Samal SK, Ghose S. Pregnancy of unknown location (PUL): a case report and review of literature. Int J Reprod Contracept Obstet Gynecol [Internet]. 2017 Jan. 4 [cited 2025 Oct. 4];3(3):808-11. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/1118