Modulation of interleukin-7 receptor expression characterizes differentiation of CD8 T cells specific for HIV, EBV and CMV. by Boutboul, F, Puthier, D, Appay, V, Pellé, O, Ait-Mohand, H, Combadière, B, Carcelain, G, Katlama, C, Rowland-Jones, S, Debré, P, Nguyen, C, Autran, B