Sharma, Nalini, and Anusmita Saha. “Misdiagnosis of Interstitial Pregnancy Followed by Circlage Operation and Failed Induced Midtrimester Abortion: A Case Report”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 8, no. 12 (November 26, 2019): 5054–5056. Accessed October 13, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/7412.