Yeral, Ilkin, Yavuz Simsek, Doga Seckin, and Nuri Danisman. “Spontaneous Heterotopic Pregnancy With Term Delivery of a Live Infant”. Annals of Medical Research 18, no. 1 (May 25, 2021): 0054–0056. Accessed December 22, 2024. http://annalsmedres.org/index.php/aomr/article/view/3313.