The Influence of Continuous Multi Stage Countercurrent Extraction Process (CMCE) Propolis Extract Administration on Superoxide Dismutase Activity and Hepatocytes Fibrosis Degree (An Experimental Study on Male Wistar Rats Induced with Carbon Tetrachloride (CCl4)) - Wani, Elsayanti (Fakultas Kedokteran; Universitas Islam Sultan Agung (UNISSULA), 2020)