Cord Blood Stem Cell TransplantationTransplantation, HomologousHematopoietic Stem Cell TransplantationStem Cell TransplantationGraft vs Host DiseaseTransplantation ConditioningHematologic NeoplasmsCytomegalovirus InfectionsRoseolovirus InfectionsTransplantation, AutologousAspergillosisHistocompatibility TestingStem CellsBone Marrow TransplantationTreatment OutcomeCytomegalovirusFetal BloodRetrospective StudiesTransplantation ChimeraTissue DonorsPeripheral Blood Stem Cell TransplantationHematopoietic Stem CellsGraft SurvivalGraft vs Leukemia EffectBusulfanRecurrenceGraft vs Tumor EffectImmunosuppressive AgentsLeukemiaRemission InductionMyeloablative AgonistsT-LymphocytesHistocompatibilityVidarabineWhole-Body IrradiationImmunocompromised HostLeukemia, Myeloid, AcuteTransplantationLeukemia, Myelogenous, Chronic, BCR-ABL PositiveTime FactorsLymphocyte DepletionMultiple MyelomaCombined Modality TherapyPrecursor Cell Lymphoblastic Leukemia-LymphomaSalvage TherapySurvival AnalysisAntigens, CD34Hematopoietic Stem Cell MobilizationEmbryonic Stem CellsGraft RejectionOpportunistic InfectionsSpinal CordSiblingsSurvival RateVirus ActivationAnemia, AplasticMycosesImmunosuppressionAcute DiseaseAdult Stem CellsMyelodysplastic SyndromesChimerismHepatic Veno-Occlusive DiseaseHematologic DiseasesLymphocyte Culture Test, MixedMinor Histocompatibility AntigensTransplantation ImmunologyCells, CulturedCell DifferentiationIsoantigensAntilymphocyte SerumHLA AntigensBlood Transfusion, AutologousMice, Inbred C57BLFlow CytometryLeukocyte TransfusionLymphocyte TransfusionCyclophosphamideGanciclovirAntineoplastic Combined Chemotherapy ProtocolsHerpesvirus 6, HumanBone Marrow CellsFollow-Up StudiesCytotoxicity, ImmunologicNeoplasm, ResidualPluripotent Stem CellsLymphocyte ActivationMelphalanDisease-Free SurvivalCyclosporineT-Lymphocytes, CytotoxicMice, Inbred BALB CFatal OutcomeCell SeparationLymphoproliferative DisordersLeukemia, MyeloidAntiviral AgentsImmunotherapy, AdoptiveSpinal Cord InjuriesGranulocyte Colony-Stimulating Factor