Armo, M., I. B. Minj, A. R. Triki, N. Shrivastava, and S. Mishra. “Copper T (380 A) and Risk of Uterine Perforation in Lactating Women: Rural Scenario”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 6, no. 7, June 2017, pp. 3026-9, doi:10.18203/2320-1770.ijrcog20172928.