Singh, A., Mani, P., Prateek, S., Yadav, L., & Gupta, E. (2019). Impact of levonorgestrel intrauterine system on metabolic parameters. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 8(3), 830–834. https://doi.org/10.18203/2320-1770.ijrcog20190433