9 BOCEPREVIR RESISTANCE-ASSOCIATED VARIANTS (RAVS) ARE OBSERVED MORE FREQUENTLY IN HCV (GT1)-INFECTED PATIENTS WITH POOR RESPONSE TO PEGINTERFERON ALFA-2B/RIBAVIRIN - Zeuzem, S.; Barnard, R.J.; Howe, J.A.; Ogert, R.A.; Ralston, R.; Boparai, N.; Brass, C.A.; Albrecht, J.K.; Burroughs, M.; Sniukiene, V.; Poordad, F.; Gordon, S.C.; et al. (Journal of Hepatology, 2011)