ChimerismMaternal-Fetal ExchangeChromosomes, Human, YChimeraFetomaternal TransfusionTransplantation ChimeraBlood Buffy CoatY ChromosomeRheumatoid NoduleTransplantation ToleranceHistocompatibility, Maternal-FetalPregnancyFetal Stem CellsLeukocyte Reduction ProceduresFetusScleroderma, SystemicHLA AntigensAutoimmune DiseasesDNAHLA-DQ alpha-ChainsPolymerase Chain ReactionHLA-B44 AntigenMothersOrgan TransplantationHistocompatibilityTripletsHLA-DRB1 ChainsGraft SurvivalImmune ToleranceChromosomes, Human, XIn Situ Hybridization, FluorescenceHistocompatibility TestingTissue DonorsBiliary AtresiaDeuterium Exchange MeasurementPulmonary Gas ExchangeHLA-DQ AntigensTransplantation, HomologousExchange Transfusion, Whole BloodIsoantigensSister Chromatid ExchangeTransplantation ImmunologyParityTimeBone Marrow TransplantationRats, Inbred BNThymectomyFetal BloodLeukocytes, MononuclearReal-Time Polymerase Chain ReactionHLA-DR AntigensHeart TransplantationAbortion, InducedLymphocyte Culture Test, MixedKidney TransplantationBlood TransfusionLiver TransplantationGraft vs Host DiseaseAbortion, SpontaneousLupus Erythematosus, SystemicHydrogenLeukocytesLymphocytesGraft RejectionGenotypeSodium-Hydrogen AntiporterCase-Control StudiesKineticsAllelesRho Guanine Nucleotide Exchange FactorsArthritis, RheumatoidChromatography, Ion ExchangeSodiumDeuteriumHydrogen-Ion ConcentrationImmunosuppressive AgentsBase SequenceIon Exchange ResinsBone Marrow CellsSodium-Calcium Exchanger