Antibodies, AntinuclearAntibodiesAntibody SpecificityAntibodies, ViralAutoantibodiesAntibodies, MonoclonalAntibodies, BacterialAntibody FormationLupus Erythematosus, SystemicFluorescent Antibody TechniqueAntibodies, NeutralizingImmune SystemImmunoglobulin GRheumatoid FactorConnective Tissue DiseasesFluorescent Antibody Technique, IndirectAutoimmune DiseasesImmunoglobulin MAntibodies, Anti-IdiotypicAntibody AffinityAntigen-Antibody ComplexBinding Sites, AntibodyEpitopesEnzyme-Linked Immunosorbent AssayScleroderma, SystemicMice, Inbred BALB CCross ReactionsHIV AntibodiesAntibodies, ProtozoanAntibodies, NeoplasmAutoantigensRheumatic DiseasesSjogren's SyndromeImmune SeraHepatitis, AutoimmuneImmunoglobulin ARaynaud DiseaseArthritis, JuvenileIritisT-LymphocytesMolecular Sequence DataAntibodies, AntiphospholipidMice, Inbred C57BLMixed Connective Tissue DiseaseImmunoglobulinsAntigensNeutralization TestsB-LymphocytesImmune ToleranceAntibodies, FungalAntibodies, Antineutrophil CytoplasmicAntigen-Antibody ReactionsAutoimmunitySpleenAmino Acid SequenceImmune Complex DiseasesLupus NephritisLiver Cirrhosis, BiliaryImmunizationScleroderma, LocalizedLymphocyte ActivationRabbitsPrecipitinsNephritisDNAMice, Inbred NZBImmunoenzyme TechniquesComplement System ProteinsImmunity, InnateAntibodies, BispecificAntibodies, BlockingImmunoassaySingle-Chain AntibodiessnRNP Core ProteinsImmunity, CellularImmunoglobulin Fab FragmentsSerositisCells, CulturedAntibodies, HeterophileCell LineImmunodiffusionMyositisArthritis, RheumatoidSerologic TestsSensitivity and SpecificityTime FactorsAntigens, BacterialAntigens, NuclearAntibodies, CatalyticAntibodies, AnticardiolipinImmunization, PassiveMice, Inbred StrainsGlomerulonephritisLupus Erythematosus, CutaneousImmunoblottingLymphocytesDisease Models, AnimalComplement C4Immune EvasionEpitope Mapping