P. G. Lucksom, B. Kishore Kanungo, N. Sebastian, R. Mehrotra, D. Pradhan, and R. Upadhya, “Comparative study of interval versus postpartum Cu-T insertion in a central referral hospital of North East India”, Int J Reprod Contracept Obstet Gynecol, vol. 4, no. 1, pp. 47–51, Feb. 2017.