Fetih, A. N., A. M. Abbas, F. A. Kamel, and I. H. El Nashar. “Tamoxifen for Treatment of Abnormal Uterine Bleeding in Etonorgstrel Implant Users: A Randomized Clinical Trial”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 8, no. 11, Oct. 2019, pp. 4462-7, doi:10.18203/2320-1770.ijrcog20194876.