Hozayen, W. G., Soliman, H. A., AND Abou Seif, H. S.. " Study of the Chemopreventive Effects of Zingiber Officinale Roots Against Aspartame Induced Testicular Toxicity in Rat Model" Journal of Physiology and Pharmacology Advances [Online], Volume 4 Number 5 (31 May 2014)