An altered gp100 peptide ligand with decreased binding by TCR and CD8alpha dissects T cell cytotoxicity from production of cytokines and activation of NFAT oleh Niels eSchaft, Niels eSchaft, miriam eCoccoris, Joost eDrexhage, Christiaan eKnoop, Jolanda M de Vries, Gosse J Adema, Reno eDebets