Sinha, M., R. Gupta, and A. Tiwari. “Minimally Invasive Surgical Approach to Retrieve Migrated Intrauterine Contraceptive Device”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 2, no. 2, Dec. 2016, pp. 147-51, https://www.ijrcog.org/index.php/ijrcog/article/view/199.