Antibodies, Antineutrophil CytoplasmicWegener GranulomatosisVasculitisMyeloblastinGlomerulonephritisAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisPeroxidaseChurg-Strauss SyndromeVasculitis, Leukocytoclastic, CutaneousPropylthiouracilMicroscopic PolyangiitisFluorescent Antibody Technique, IndirectAntibodiesPolyarteritis NodosaAntithyroid AgentsAutoantibodiesSerine EndopeptidasesApc8 Subunit, Anaphase-Promoting Complex-CyclosomeEnzyme-Linked Immunosorbent AssayEndocarditis, Subacute BacterialGlomerulonephritis, MembranoproliferativeColitis, UlcerativeAntibodies, AntinuclearNeutrophilsAntibodies, MonoclonalImmunosuppressive AgentsBiological MarkersPublic Health NursingFluorescent Antibody TechniqueImmunoglobulin GPrednisoloneEosinophilia-Myalgia SyndromeAntibodies, ViralAutoantigensHemoptysisAutoimmune DiseasesFixativesProctocolectomy, RestorativeCyclophosphamideMethimazoleAntibodies, BacterialGraves DiseaseMethylprednisoloneKidney GlomerulusLung DiseasesAntibodies, Monoclonal, Murine-DerivedLupus Erythematosus, SystemicBiopsyAntibody FormationCrohn DiseaseRespiratory BurstKidneyGlomerulonephritis, MembranousAnti-Glomerular Basement Membrane DiseaseAntibodies, NeutralizingRecurrenceSensitivity and SpecificitySeverity of Illness IndexGlomerulonephritis, IGAFormaldehydeRemission InductionPurpura, Schoenlein-HenochImmune Complex DiseasesArthritis, RheumatoidAntibodies, FungalFollow-Up StudiesTreatment OutcomeAntibody AffinityCathepsin GLysosomal-Associated Membrane Protein 2Antibodies, Anti-IdiotypicNeutrophil ActivationDrug Therapy, CombinationPlasma ExchangeAntirheumatic AgentsProteinuriaAntigen-Antibody ComplexBinding Sites, AntibodyEpitopesPredictive Value of TestsLupus NephritisInflammatory Bowel DiseasesBlood SedimentationLactoferrinRetrospective StudiesLeukocyte ElastaseScleritisHIV AntibodiesImmune SeraKidney DiseasesDisease ProgressionImmunoglobulin MCholangitis, SclerosingAzathioprineDrug ContaminationGlucocorticoidsImmunoglobulin AAntibodies, NeoplasmAntibodies, ProtozoanComplement C3