T-Lymphocyte Infusion or Standard Therapy in Treating Patients at Risk of Cytomegalovirus Infection After a Donor Stem Cell Transplant [clinicaltrials:NCT00986557]

T-Lymphocyte Infusion or Standard Therapy in Treating Patients at Risk of Cytomegalovirus Infection After a Donor Stem Cell Transplant [clinicaltrials:NCT00986557]