Blood BanksFetal BloodCord Blood Stem Cell TransplantationBlood Grouping and CrossmatchingBlood TransfusionCytapheresisBlood DonorsBlood Buffy CoatBlood PreservationSpinal CordDonor SelectionBlood Transfusion, AutologousBlood CellsSpinal Cord InjuriesBlood Loss, SurgicalHistocompatibility TestingUmbilical CordErythrocytesInfant, NewbornAntigens, CD34Hematopoietic Stem CellsBlood Cell CountPregnancyRetrospective StudiesIntensive Care UnitsMaternal-Fetal ExchangeSpinal Cord DiseasesCells, CulturedHematopoietic Stem Cell TransplantationSpinal Cord CompressionLeukocyte CountColony-Forming Units AssayErythrocyte TransfusionCell DifferentiationTime FactorsCell SeparationErythrocyte CountFlow CytometryHematopoiesisSpermatic CordLeukocytesErythrocyte MembraneSpinal Cord IschemiaMice, SCIDErythrocyte DeformabilitySpinal Cord NeoplasmsAntigens, CDImmunophenotypingLeukocytes, MononuclearCell Culture TechniquesHospital UnitsMice, Inbred NODBone Marrow CellsHemoglobinsMaternal ExposureAntigens, CD38Graft vs Host DiseaseCell LineageStem CellsADP-ribosyl CyclasePlacentaHematologic NeoplasmsGestational AgeStem Cell FactorLymphocytesErythrocyte AggregationTransplantation ConditioningErythroid Precursor CellsGraft SurvivalCord FactorsErythrocyte AgingHematocritTransplantation, HomologousNuchal CordFetusParaplegiaHemolysisMotor NeuronsIntensive Care Units, NeonatalAntigens, CD45T-LymphocytesTransplantation ChimeraTreatment OutcomeProspective StudiesBiological MarkersVocal CordsErythropoiesisLeukemiaNAD+ NucleosidaseUnrelated DonorsCytokinesTissue DonorsBlood Specimen CollectionMolecular Sequence DataBone MarrowHLA AntigensThrombopoietinCryopreservationDirected Tissue DonationInfant, Premature