Hematopoietic Stem Cell TransplantationFetal BloodTransplantation, HomologousRegistriesUmbilical CordStem Cell TransplantationCord Blood Stem Cell TransplantationGraft vs Host DiseaseTransplantation ConditioningTissue DonorsHematologic NeoplasmsHematopoietic Stem CellsTransplantation, AutologousStem CellsPeripheral Blood Stem Cell TransplantationTransplantation ChimeraHistocompatibility TestingBlood BanksAntigens, CD34Myeloablative AgonistsTreatment OutcomeGraft vs Leukemia EffectBone Marrow TransplantationUmbilical VeinsBusulfanGraft SurvivalVidarabineUmbilical ArteriesRecurrenceLeukemiaRemission InductionInfant, NewbornGraft vs Tumor EffectCells, CulturedDonor SelectionHematopoietic Stem Cell MobilizationPregnancyLeukemia, Myeloid, AcuteRetrospective StudiesSiblingsImmunosuppressive AgentsCell DifferentiationTime FactorsWhole-Body IrradiationT-LymphocytesLymphocyte TransfusionSpinal CordCytomegalovirus InfectionsHistocompatibilityMultiple MyelomaDisease-Free SurvivalChimerismAntilymphocyte SerumLeukemia, Myelogenous, Chronic, BCR-ABL PositiveSurvival AnalysisMesenchymal Stromal CellsSurvival RateBone Marrow CellsFlow CytometryCombined Modality TherapyMinor Histocompatibility AntigensPrecursor Cell Lymphoblastic Leukemia-LymphomaHLA AntigensHematologic DiseasesMesenchymal Stem Cell TransplantationLiver TransplantationMyelodysplastic SyndromesSalvage TherapyBlood DonorsLymphocyte DepletionAnemia, AplasticGranulocyte Colony-Stimulating FactorCell SeparationAntigens, CDVirus ActivationHematopoiesisImmunophenotypingNeoplasm, ResidualCytomegalovirusCell TransplantationCell Culture TechniquesAcute DiseaseMelphalanFollow-Up StudiesColony-Forming Units AssaySpinal Cord InjuriesUnrelated DonorsCell LineageHepatic Veno-Occlusive DiseaseEmbryonic Stem CellsMaternal-Fetal ExchangeMice, SCIDCyclophosphamideAntineoplastic Combined Chemotherapy ProtocolsLiving DonorsLymphocytesKidney TransplantationPrimary MyelofibrosisPrognosisFetal Stem Cells