Antibodies, AntinuclearAntibodiesAutoantibodiesAntibody SpecificityLupus Erythematosus, SystemicAntibodies, MonoclonalAntibodies, ViralFluorescent Antibody TechniqueAntibody FormationImmunoglobulin GAntibodies, BacterialParietal Cells, GastricInsulin AntibodiesConnective Tissue DiseasesAutoimmune DiseasesImmunoglobulin MIsoantibodiesFluorescent Antibody Technique, IndirectGlutamate DecarboxylaseAntibodies, NeutralizingAutoantigensScleroderma, SystemicAnemia, PerniciousRh-Hr Blood-Group SystemRheumatoid FactorEnzyme-Linked Immunosorbent AssayDiabetes Mellitus, Type 1Antibodies, Anti-IdiotypicAntibody AffinityVasculitisIslets of LangerhansGastritis, AtrophicAntibodies, HeterophileAntigen-Antibody ComplexIntrinsic FactorAchlorhydriaBinding Sites, AntibodyComplement System ProteinsAntigensB-LymphocytesHIV AntibodiesCross ReactionsEpitopesAntibodies, NeoplasmMice, Inbred BALB CAntibodies, ProtozoanRheumatic DiseasesBlood Grouping and CrossmatchingErythrocytesTakayasu ArteritisSjogren's SyndromeHepatitis, AutoimmuneImmunoenzyme TechniquesEndothelium, VascularT-LymphocytesRaynaud DiseaseBiological MarkersArthritis, JuvenileI Blood-Group SystemIritisHLA AntigensBlood Group AntigensAntibody-Dependent Cell CytotoxicityReceptor-Like Protein Tyrosine Phosphatases, Class 8Antibodies, AntiphospholipidGastrinsMixed Connective Tissue DiseaseCells, CulturedAntibodies, Antineutrophil CytoplasmicUmbilical VeinsImmunoglobulin AAntibodies, FungalAntilymphocyte SerumScleroderma, LocalizedLiver Cirrhosis, BiliaryLupus NephritisNeutralization TestsHLA-DQ beta-ChainsHLA-DQ AntigensAntigens, SurfaceThyroid GlandAntigen-Antibody ReactionsAntibodies, BispecificFlow CytometryMolecular Sequence DataPrecipitinsAnemia, Hemolytic, AutoimmuneImmunoglobulinsGastric MucosaMice, Inbred NZBDNANephritisSingle-Chain AntibodiessnRNP Core ProteinsTime FactorsCell LineAntibodies, BlockingSerositisImmunoassayEndothelium