Antibodies, Antineutrophil CytoplasmicVasculitisWegener GranulomatosisMyeloblastinAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisPeroxidaseChurg-Strauss SyndromeMicroscopic PolyangiitisPropylthiouracilVasculitis, Leukocytoclastic, CutaneousPolyarteritis NodosaFluorescent Antibody Technique, IndirectAntibodiesAntithyroid AgentsGlomerulonephritisAutoantibodiesSerine EndopeptidasesAntibody SpecificityEnzyme-Linked Immunosorbent AssayColitis, UlcerativeEndocarditis, Subacute BacterialNeutrophilsAntibodies, AntinuclearAntibodies, MonoclonalImmunosuppressive AgentsBiological MarkersNose DiseasesPrednisoloneEosinophilia-Myalgia SyndromeAntibodies, ViralHemoptysisAutoantigensFluorescent Antibody TechniqueImmunoglobulin GFixativesProctocolectomy, RestorativeMethimazoleCyclophosphamideAutoimmune DiseasesAntibodies, BacterialGraves DiseaseMethylprednisoloneSystemic VasculitisAntibodies, Monoclonal, Murine-DerivedLung DiseasesRetinal VasculitisCrohn DiseaseVasculitis, Central Nervous SystemRespiratory BurstLupus Erythematosus, SystemicAntibody FormationAntibodies, NeutralizingPurpura, Schoenlein-HenochRecurrenceSensitivity and SpecificitySeverity of Illness IndexBiopsyRemission InductionArthritis, RheumatoidFormaldehydeSkin Diseases, VascularAntibodies, FungalTreatment OutcomeCathepsin GFollow-Up StudiesAntibody AffinityNeutrophil ActivationLysosomal-Associated Membrane Protein 2Drug Therapy, CombinationAntirheumatic AgentsPlasma ExchangeAntibodies, Anti-IdiotypicPredictive Value of TestsEpitopesKidneyScleritisBlood SedimentationBinding Sites, AntibodyInflammatory Bowel DiseasesLactoferrinLeukocyte ElastaseArteritisRetrospective StudiesHIV AntibodiesDrug ContaminationGlucocorticoidsCholangitis, SclerosingAntibodies, NeoplasmAntibodies, ProtozoanAzathioprineImmunoglobulin MImmune Sera