Cellular immune responses to HCV core increase and HCV RNA levels decrease during successful antiretroviral therapy. by Rohrbach, J, Robinson, N, Harcourt, G, Hammond, E, Gaudieri, S, Gorgievski, M, Telenti, A, Keiser, O, Günthard, H, Hirschel, B, Hoffmann, M, Bernasconi, E, Battegay, M, Furrer, H, Klenerman, P, Rauch, A