Comparison of the Bayer VERSANT HCV RNA 3.0 and the Roche COBAS Amplicor HCV Monitor, Version 2.0, assays in HCV genotype 4 infection. - Jessner, W.; Watkins-Riedel, T.; Müller, C.; Formann, E.; Gschwantler, M.; Ferenci, P. (Journal of Viral Hepatitis, 2007)