Quantification of HBsAg and HBV-DNA during Therapy with Peginterferon alpha-2b plus Lamivudine and Peginterferon alpha-2b Alone in a German Chronic Hepatitis B Cohort - Wiegand, J.; Brosteanu, O.; Kullig, U.; Wiese, M.; Berr, F.; Maier, M.; Tillmann, H. L.; Schiefke, I. (Zeitschrift für Gastroenterologie, 2011)