Unrelated DonorsTissue DonorsBone Marrow TransplantationHistocompatibility TestingBone MarrowGraft vs Host DiseaseTransplantation, HomologousHistocompatibilityBone Marrow CellsTransplantation ConditioningHematopoietic Stem Cell TransplantationHematologic NeoplasmsLiving DonorsBlood DonorsCord Blood Stem Cell TransplantationLeukemiaHLA AntigensAnemia, AplasticGraft SurvivalRecurrenceWhole-Body IrradiationTreatment OutcomeAntilymphocyte SerumPeripheral Blood Stem Cell TransplantationSurvival AnalysisDonor SelectionPrecursor Cell Lymphoblastic Leukemia-LymphomaTransplantation ChimeraVidarabineDisease-Free SurvivalMyeloablative AgonistsSiblingsBusulfanLeukemia, Myelogenous, Chronic, BCR-ABL PositiveImmunosuppressive AgentsHematologic DiseasesMyelodysplastic SyndromesHLA-DP beta-ChainsRetrospective StudiesHematopoietic Stem CellsLymphocyte DepletionBone Marrow DiseasesSurvival RateLeukemia, Myeloid, AcuteFetal BloodAcute DiseaseBone Marrow ExaminationGraft RejectionBone Marrow NeoplasmsTransplantation, AutologousTransplantation ImmunologyRemission InductionHLA-DP AntigensHemibody IrradiationHematopoiesisTime FactorsStem Cell TransplantationTissue and Organ ProcurementAllograftsHLA-A AntigensLife TablesActuarial AnalysisCyclosporineDirected Tissue DonationMethotrexateHistiocytosis, Non-Langerhans-CellT-LymphocytesBone Marrow PurgingCyclophosphamideInfectionHLA-B AntigensSevere Combined ImmunodeficiencyTacrolimusHLA-C AntigensFollow-Up StudiesLeukemia, MyeloidImmunosuppressionTransplantsFanconi AnemiaColony-Forming Units AssayAntigens, CD34MelphalanBlood Cell CountCytomegalovirus InfectionsTransplantation, IsogeneicLymphocyte TransfusionRegistriesWiskott-Aldrich SyndromeKidney TransplantationGraft vs Leukemia EffectGranulocyte Colony-Stimulating FactorAnemia, Refractory, with Excess of BlastsGraft vs Tumor EffectCause of DeathMice, Inbred C57BLLeukemia, Myelomonocytic, AcuteRisk FactorsAllelesMetabolism, Inborn ErrorsHLA-DRB1 Chains