Soufy, Hamdy, Safaa Yassein, Alaa R Ahmed, Mohamed H Khodier, Mohamed A Kutkat, Soad M Nasr, and Faten A Okda. 2012. “ANTIVIRAL AND IMMUNE STIMULANT ACTIVITIES OF GLYCYRRHIZIN AGAINST DUCK HEPATITIS VIRUS”. African Journal of Traditional, Complementary and Alternative Medicines 9 (3):389-95. https://journals.athmsi.org/index.php/ajtcam/article/view/1481.