Human immunodeficiency virus-specific T lymphocyte cell by Oxenius, A, Mclean, A, Fischer, M, Price, D, Dawson, S, Hafner, R, Schneider, C, Joller, H, Hirschel, B, Phillips, R, Weber, R, Günthard, H, Battegay, M, Bucher, H, Bernasconi, E, Piffaretti, J, Bürgisser, P, Francioli, P, Pantaleo, G, Rickenbach, M, Telenti, A, Egger, M, Erb, P, Klimkait, T, Fierz, W