Viral kinetics during rescue treatment with intravenous silibinin in a patient with chronic hepatitis C genotype 4– A case report - Kowatschitsch, M; Schmid, A; Scherz, M; Sasse, D; Parth, E; Walouschek, A; Huber, K; Krugluger, W; Sebesta, C; Vedovelli, H (Zeitschrift für Gastroenterologie, 2012)