Induction of a graft-versus-leukemia reaction by cyclosporin A withdrawal as immunotherapy for leukemia relapsing after allogeneic bone marrow transplantation. - Elmaagacli,A.H.; Beelen,D.W.; Trenn,G.; Schmidt,O.; Nahler,M.; Schaefer,U.W. (Bone Marrow Transplant, 1999)