Kubeyinje, W., M. Isikhuemen, and U. Uwagboe. “Case Report of Successful Term Pregnancy Following Open Laparotomy for Spontaneous Heterotopic Pregnancy: Heterotopic Pregnancy”. AJFMED, vol. 2, no. 2, Nov. 2023, pp. 104-6, https://ajfmed.com/index.php/ajfm/article/view/42.