Singla, S., N. R. Kumar, and J. Kaur. “In Vivo Studies on the Protective Effect of Propolis on Doxorubicin"‘Induced Toxicity in Liver of Male Rats”. Toxicology International, vol. 21, no. 2, Apr. 2018, pp. 191-5, http://informaticsjournals.com/index.php/toxi/article/view/21004.