Sharma JB, Agarwal M, Karmakar D, Kumar S. Evaluation of an effective and cheap analgesic protocol prior to intra-uterine device insertion in a developing country. Int J Reprod Contracept Obstet Gynecol [Internet]. 2017 Feb. 9 [cited 2025 Oct. 26];4(4):1061-5. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/2061