R. Gupta, R. Dewan, P. Mittal, J. Suri, A. Dewan, and R. Bharti, “Role of levonorgestrel releasing intra-uterine system in the treatment of menorrhagia due to dysfunctional uterine bleeding and fibroid uterus”, Int J Reprod Contracept Obstet Gynecol, vol. 3, no. 3, pp. 671–677, Jan. 2017.