Inversion of CD4(+)/CD8(+) ratio in B chronic lymphocytic leukemia correlates with differential sensitivity of CD4(+) and CD8(+) T lymphocytes to the killing efficacy of Fas (APO-1/CD95) ligand(+) tumor cells.

Tinhofer, I, Marschitz, I, Kos, M, Henn, T, Egle, A, Villunger, A, Greil, R