Malik, J., A. Das, P. Rai, and S. Das. “Post Placental Copper-T 380A Insertion After Normal Vaginal Delivery and Cesarean Section and Its Clinical Outcome”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 7, Feb. 2017, pp. 2254-6, doi:10.18203/2320-1770.ijrcog20162104.