Reyna-Villasmil E, Torres-Cepeda D, Rondon-Tapia M. Primary retroperitoneal ectopic pregnancy. Rev peru ginecol obstet. [Internet]. 2023 Jul. 6 [cited 2024 May 20];69(2). Available from: http://51.222.106.123/index.php/RPGO/article/view/2521