Hematopoietic Stem Cell TransplantationTransplantation, HomologousHematologic NeoplasmsGraft vs Host DiseaseHematopoietic Stem CellsPeripheral Blood Stem Cell TransplantationCytomegalovirus InfectionsTransplantation ConditioningTransplantation, AutologousCytomegalovirusStem CellsTissue DonorsHematopoietic Stem Cell MobilizationStem Cell TransplantationBone Marrow TransplantationTreatment OutcomeHistocompatibilityOpportunistic InfectionsImmunocompromised HostGraft SurvivalRetrospective StudiesTransplantation ChimeraHematologic DiseasesGraft vs Leukemia EffectWhole-Body IrradiationAntigens, CD34LeukemiaRecurrenceBusulfanGranulocyte Colony-Stimulating FactorMycosesMyeloablative AgonistsHistocompatibility TestingHepatic Veno-Occlusive DiseaseLeukapheresisTime FactorsHematopoiesisCord Blood Stem Cell TransplantationAspergillosisVidarabineTransplantationAcute DiseaseChimerismSurvival RateGraft vs Tumor EffectImmunosuppressive AgentsCombined Modality TherapyFlow CytometryLeukemia, Myeloid, AcuteMyelodysplastic SyndromesFatal OutcomeBone Marrow CellsSurvival AnalysisAllograftsCyclophosphamideBlood Component RemovalMultiple MyelomaT-LymphocytesRemission InductionSiblingsLeukemia, Myelogenous, Chronic, BCR-ABL PositiveAntifungal AgentsLymphoproliferative DisordersPrecursor Cell Lymphoblastic Leukemia-LymphomaHLA AntigensBK VirusAnemia, AplasticRisk FactorsFollow-Up StudiesCell DifferentiationLymphocyte TransfusionAntiviral AgentsAntineoplastic Combined Chemotherapy ProtocolsFetal BloodMelphalanAdult Stem CellsStem Cell NicheCell LineageMice, Inbred C57BLLymphocyte DepletionCells, CulturedColony-Forming Units AssaySalvage TherapyTransplantation, IsogeneicIncidenceDisease-Free SurvivalCystitisNeoplasmsProspective StudiesBone MarrowTransplantation ImmunologyBlood CellsCell SeparationPolymerase Chain ReactionPrognosisTriazolesNeutropeniaStem Cell FactorEmbryonic Stem CellsSurvivors