Antibodies, Antineutrophil CytoplasmicWegener GranulomatosisMyeloblastinVasculitisAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisAnti-Glomerular Basement Membrane DiseasePeroxidaseChurg-Strauss SyndromePropylthiouracilVasculitis, Leukocytoclastic, CutaneousMicroscopic PolyangiitisFluorescent Antibody Technique, IndirectAntithyroid AgentsPolyarteritis NodosaGlomerulonephritisSerine EndopeptidasesAntibodiesAutoantibodiesAntibody SpecificityColitis, UlcerativeEndocarditis, Subacute BacterialEnzyme-Linked Immunosorbent AssayNeutrophilsAntibodies, AntinuclearBiological MarkersNose DiseasesAntibodies, MonoclonalImmunosuppressive AgentsEosinophilia-Myalgia SyndromePrednisoloneHemoptysisProctocolectomy, RestorativeFixativesAutoantigensMethimazoleFluorescent Antibody TechniqueCyclophosphamideImmunoglobulin GGraves DiseaseAntibodies, ViralMethylprednisoloneAutoimmune DiseasesLung DiseasesCrohn DiseaseAntibodies, BacterialAntibodies, Monoclonal, Murine-DerivedRespiratory BurstLupus Erythematosus, SystemicSeverity of Illness IndexRecurrenceSensitivity and SpecificityFormaldehydeArthritis, RheumatoidAntibody FormationRemission InductionBiopsyAntibodies, NeutralizingFollow-Up StudiesAntirheumatic AgentsCathepsin GTreatment OutcomeAntibodies, FungalDrug Therapy, CombinationNeutrophil ActivationBlood SedimentationPredictive Value of TestsLysosomal-Associated Membrane Protein 2Antibody AffinityPurpura, Schoenlein-HenochKidneyInflammatory Bowel DiseasesPlasma ExchangeLactoferrinAntibodies, Anti-IdiotypicLeukocyte ElastaseEpitopesScleritisBinding Sites, AntibodyRetrospective StudiesCholangitis, SclerosingDrug ContaminationSkin Diseases, Vascular