Hematopoietic Stem Cell TransplantationFetusChimerismTransplantation, HomologousStem Cell TransplantationFetomaternal TransfusionTransplantation, AutologousLiver TransplantationMaternal-Fetal ExchangeFetal Tissue TransplantationTransplantation ConditioningFetal ResearchPregnancyBone Marrow TransplantationFetal Stem CellsPeripheral Blood Stem Cell TransplantationKidney TransplantationGraft vs Host DiseaseComplicityCell TransplantationAborted FetusPrenatal DiagnosisGraft SurvivalHematologic NeoplasmsHeart TransplantationTissue DonorsResearchTransplantation ChimeraDirected Tissue DonationLung TransplantationPlacentaTreatment OutcomeCord Blood Stem Cell TransplantationOrgan TransplantationFetal BloodGraft RejectionTransplantation ImmunologyImmunosuppressive AgentsIslets of Langerhans TransplantationMyeloablative AgonistsHistocompatibility TestingLifeRetrospective StudiesTransplantationWhole-Body IrradiationRecurrenceMesenchymal Stem Cell TransplantationPancreas TransplantationGestational AgePersonhoodTime FactorsChimeraBusulfanErythroblastsHistocompatibilityAmniotic FluidTransplantation, IsogeneicBeginning of Human LifeCombined Modality TherapyAbortion, VeterinaryTrophoblastsRemission InductionIn Situ Hybridization, FluorescenceBrain Tissue TransplantationMultiple MyelomaLiverPolymerase Chain ReactionLiving DonorsSurvival AnalysisSurvival RateMelphalanTissue and Organ ProcurementCells, CulturedY ChromosomeImmunosuppressionGraft vs Leukemia EffectLeukemiaFollow-Up StudiesAntigens, CD34VidarabineSex Determination AnalysisDisease-Free SurvivalCell DifferentiationStem CellsTransplantation ToleranceHLA AntigensCell SeparationCyclophosphamideTransplantation, HeterotopicGraft vs Tumor EffectPregnancy Trimester, FirstResearch Support as TopicChromosomes, Human, YUnrelated DonorsHeart-Lung TransplantationLeukemia, Myeloid, AcuteResearch DesignAntineoplastic Combined Chemotherapy ProtocolsHepatic Veno-Occlusive DiseaseMice, Inbred C57BL