Early viral kinetics on treatment with pegylated interferon-α -2a in chronic hepatitis C virus genotype 1 infection*. - Jessner, W.; Stauber, R.; Hackl, F.; Datz, C.; Watkins-Riedel, T.; Hofer, H.; Gangl, A.; Kessler, H.; Ferenci, P. (Journal of Viral Hepatitis, 2003)