Ushakova, Galyna, Olga Fomenko, and Stefan Pierzynowski. 2010. “Non-Invasive Markers of Hepatic Encephalopathy under Chronic Hepatitis C And2-Oxoglutarate Treatment”. Current Issues in Pharmacy and Medical Sciences 23 (3): 203-6. https://czasopisma.umlub.pl/curipms/article/view/2921.