Antibodies, AntinuclearAntibodiesLupus Erythematosus, SystemicAutoantibodiesConnective Tissue DiseasesRheumatoid FactorAntibody SpecificityFluorescent Antibody Technique, IndirectAutoimmune DiseasesFluorescent Antibody TechniqueScleroderma, SystemicRheumatic DiseasesIritisSjogren's SyndromeAntibodies, MonoclonalRaynaud DiseaseArthritis, JuvenileAntibodies, ViralHepatitis, AutoimmuneMixed Connective Tissue DiseaseImmunoglobulin GScleroderma, LocalizedAntibodies, BacterialAntibody FormationImmunoglobulin MSerositisLiver Cirrhosis, BiliaryAutoantigensAntibodies, Anti-IdiotypicLupus Erythematosus, CutaneousEnzyme-Linked Immunosorbent AssayAntibodies, NeutralizingMyositissnRNP Core ProteinsNephritisCrithidiaArthritis, RheumatoidAntibodies, Antineutrophil CytoplasmicLupus VulgarisLupus Erythematosus, DiscoidAntigens, NuclearAntibodies, AnticardiolipinLupus NephritisComplement C4Antigen-Antibody ComplexMice, Inbred NZBAntibodies, AntiphospholipidAntibody AffinityDNAHLA-DR5 AntigenImmunoglobulinsSerologic TestsAutoimmunityDermatomyositisProcainamideBinding Sites, AntibodyImmunoglobulin ASensitivity and SpecificityImmunoassayArthritisRibonucleoproteinsSalivary GlandsImmunodiffusionFalse Positive ReactionsBlood SedimentationHIV AntibodiesImmunoenzyme TechniquesCross ReactionsEpitopesAntibodies, NeoplasmBiological MarkersAntibodies, ProtozoanGlomerulonephritisAntigensRibonucleoproteins, Small NuclearVasculitisCell NucleolusHLA AntigensImmunoblottingToxoplasmosisPenicillamineComplement C3Retrospective StudiesDeoxyribonucleasesCentromereMice, Inbred StrainsAntirheumatic AgentsAntibodies, FungalMice, Inbred BALB CTime FactorsHistonesNeutralization TestsBiopsySyndromeAntigen-Antibody ReactionsAntibodies, BispecificChronic DiseaseMolecular Sequence DataPrecipitinsSingle-Chain Antibodies