Antibodies, AntinuclearAntibodiesAntibody SpecificityAutoantibodiesAntibodies, ViralLupus Erythematosus, SystemicAntibodies, MonoclonalAntibodies, BacterialFluorescent Antibody TechniqueAntibody FormationConnective Tissue DiseasesFluorescent Antibody Technique, IndirectAntibodies, NeutralizingRheumatoid FactorAutoimmune DiseasesImmunoglobulin MAntibodies, Anti-IdiotypicAntibody AffinityImmunoglobulin GScleroderma, SystemicRheumatic DiseasesBinding Sites, AntibodyAutoantigensSjogren's SyndromeEnzyme-Linked Immunosorbent AssayHepatitis, AutoimmuneHIV AntibodiesArthritis, JuvenileCross ReactionsEpitopesRaynaud DiseaseAntibodies, NeoplasmAntibodies, ProtozoanDucksMixed Connective Tissue DiseaseAntibodies, Antineutrophil CytoplasmicAntigen-Antibody ComplexScleroderma, LocalizedIritisAntibodies, AntiphospholipidLiver Cirrhosis, BiliaryLupus NephritisImmunoglobulin AMice, Inbred BALB CAntibodies, FungalMice, Inbred NZBImmunoglobulinsDNANeutralization TestsAntigens, NuclearMolecular Sequence DataAutoimmunityImmunoassayAntibodies, AnticardiolipinImmunoenzyme TechniquesAntigen-Antibody ReactionsAntibodies, BispecificImmunodiffusionPrecipitinsAmino Acid SequenceNephritisSingle-Chain AntibodiesSensitivity and SpecificitysnRNP Core ProteinsArthritis, RheumatoidSerologic TestsAntibodies, BlockingSerositisRabbitsAntigensB-LymphocytesComplement C4Immunoglobulin Fab FragmentsMyositisAntibodies, HeterophileAntibodies, CatalyticLupus Erythematosus, CutaneousImmunoblottingComplement System ProteinsDermatomyositisAntibodies, Monoclonal, HumanizedLupus VulgarisCrithidiaHybridomasBiological MarkersImmune SeraLupus Erythematosus, DiscoidRibonucleoproteinsEpitope MappingVasculitisGlomerulonephritisImmunizationCell LineTime FactorsRNA, Small CytoplasmicSpleenMice, Inbred C57BLMice, Inbred StrainsArthritisFalse Positive Reactions