Treatment of relapsing leukemia after allogeneic blood stem cell transplantation by using dose-reduced conditioning followed by donor blood stem cells and GM-CSF. - Platzbecker,U.; Thiede,C.; Freiberg-Richter,J.; Helwig,A.; Mohr,B.; Prange,G.; Fussel,M.; Kohler,T.; Ehinger,G.; Bornhauser,M. (Ann Hematol, 2001)