Your search returned the following 4 documents:

4. Comparison of Envelope 2 CD81 binding regions in PBMC-derived versus serum-derived hepatitis C virus isolates: higher conservation of CD81 region 2 in PBMC isolates
   M.-W. Welker, Christoph Welsch, D. Ochs, W. P. Hofmann, E. Herrmann, A. Piiper, R. W. Hartmann, S. Zeuzem, C. Sarrazin, and Bernd Kronenberger
   Journal of Viral Hepatitis 18 (3): 181-192, 2011
   
3. Effect of ribavirin on the frequency of RNAse L cleavage sites within the hepatitis C viral genome
   Ulrike Mihm, W.P. Hofmann, Christoph Welsch, A. Polta, Thomas Lengauer, Stefan Zeuzem, Christoph Sarrazin, and E. Herrmann
   Journal of Viral Hepatitis 17 (3): 217-221, 2010
   
2. The Helmholtz Network for Bioinformatics: an integrative web portal for bioinformatics resources
   T. Crass, Iris Antes, R. Basekow, P. Bork, Christian Buning, M. Christensen, H. Claußen, C. Ebeling, P. Ernst, V. Gailus-Durner, K.-H. Glatting, R. Gohla, F. Gößling, K. Grote, K. Heidtke, A. Herrmann, S. O Keefe, O. Kießlich, S. Kolibal, J.O. Korbel, Thomas Lengauer, I. Liebich, M. van der Linden, H. Luz, K. Meissner, C. von Mering, T. Mevissen, H.-W. Mewes, H. Michael, M. Mokrejs, T. Müller, H. Pospisil, Matthias Rarey, J.G. Reich, R. Schneider, D. Schomburg, S. Schulze-Kremer, K. Schwarzer, Ingolf Sommer, S. Springstubbe, S. Suhai, G. Thoppae, M. Vingron, J. Warfsmann, T. Werner, D. Wetzler, E. Wingender, and Ralf Zimmer
   Bioinformatics 20: 268-270, 2004
   
1. Structural and functional comparison of the non-structural protein 4B of flaviviridae
   Christoph Welsch, Mario Albrecht, Jochen Maydt, E. Herrmann, M.W. Welker, C. Sarrazin, A. Scheidig, Thomas Lengauer, and S. Zeuzem
   Journal of Molecular Graphics and Modeling 26 (2): 546-557, 2007