Antibodies, Antineutrophil CytoplasmicWegener GranulomatosisVasculitisMyeloblastinAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisPeroxidaseChurg-Strauss SyndromePropylthiouracilVasculitis, Leukocytoclastic, CutaneousMicroscopic PolyangiitisFluorescent Antibody Technique, IndirectAntibodiesAntithyroid AgentsPolyarteritis NodosaGlomerulonephritisAntibody SpecificityAutoantibodiesSerine EndopeptidasesImmunoassayEnzyme-Linked Immunosorbent AssayColitis, UlcerativeEndocarditis, Subacute BacterialNeutrophilsAntibodies, MonoclonalAntibodies, AntinuclearBiological MarkersNose DiseasesImmunosuppressive AgentsAntibodies, ViralEosinophilia-Myalgia SyndromeFluorescent Antibody TechniquePrednisoloneImmunoglobulin GHemoptysisFixativesAutoantigensAntibodies, BacterialProctocolectomy, RestorativeMethimazoleCyclophosphamideGraves DiseaseAutoimmune DiseasesMethylprednisoloneLung DiseasesAntibodies, Monoclonal, Murine-DerivedSensitivity and SpecificityCrohn DiseaseRespiratory BurstAntibody FormationAntibodies, NeutralizingLupus Erythematosus, SystemicRecurrenceFormaldehydeSeverity of Illness IndexAntibodies, FungalBiopsyRemission InductionArthritis, RheumatoidAntibody AffinityCathepsin GFollow-Up StudiesTreatment OutcomeImmunoenzyme TechniquesNeutrophil ActivationLysosomal-Associated Membrane Protein 2Antirheumatic AgentsAntibodies, Anti-IdiotypicPurpura, Schoenlein-HenochPredictive Value of TestsDrug Therapy, CombinationEpitopesBinding Sites, AntibodyPlasma ExchangeKidneyInflammatory Bowel DiseasesLactoferrinBlood SedimentationHIV AntibodiesCross ReactionsLeukocyte ElastaseScleritisDrug ContaminationAntibodies, ProtozoanCholangitis, SclerosingImmunoglobulin MAntibodies, NeoplasmImmune SeraRetrospective StudiesGlucocorticoids