Hussein, Mahmoud Elnahas. 2020. “Ovatrine, a Compound from Plant Extracts, Used for Female Infertility Treatment and Increase the Number of Ovarian Follicles”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 9 (3):1238-44. https://doi.org/10.18203/2320-1770.ijrcog20200907.