Faisal, K., and M. A. Akbarsha. 2017. “Spermatotoxic Effect of Methanol Extract of Quassia Amara L.: Impact on Expression of Specific Genes Concerned With Ubiquitination-Proteosome Degradation Pathway”. Journal of Endocrinology and Reproduction 20 (1):55-65. https://informaticsjournals.com/index.php/jer/article/view/15686.