Evidence of CD4+ T cell-mediated immune pressure on the Hepatitis C virus genome Yazar: Lucas, M, Deshpande, P, James, I, Rauch, A, Pfafferott, K, Gaylard, E, Merani, S, Plauzolles, A, Lucas, A, McDonnell, W, Kalams, S, Pilkinton, M, Chastain, C, Barnett, L, Prosser, A, Mallal, S, Fitzmaurice, K, Drummer, H, Ansari, M, Pedergnana, V, Barnes, E, John, M, Kelleher, D, Klenerman, P, Gaudieri, S