Sharma, J. B., Agarwal, M., Karmakar, D., & Kumar, S. (2017). Evaluation of an effective and cheap analgesic protocol prior to intra-uterine device insertion in a developing country. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 4(4), 1061–1065. https://doi.org/10.18203/2320-1770.ijrcog20150427