Serum Activins and Follistatin during the Treatment of Chronic Hepatitis C Genotypes 1 and 4 and Their Correlations with Viral Load and Liver Enzymes: A Preliminary Report. - Refaat, Bassem; El-Shemi, Adel Galal; Ashshi, Ahmed Mohamed; AlZanbagi, Adnan (Gastroenterology Research & Practice, 2014)