Antibodies, Antineutrophil CytoplasmicWegener GranulomatosisVasculitisMyeloblastinAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisPeroxidaseChurg-Strauss SyndromePropylthiouracilVasculitis, Leukocytoclastic, CutaneousMicroscopic PolyangiitisFluorescent Antibody Technique, IndirectAntibodiesAntithyroid AgentsPolyarteritis NodosaGlomerulonephritisAutoantibodiesSerine EndopeptidasesAntibody SpecificityEnzyme-Linked Immunosorbent AssayColitis, UlcerativeEndocarditis, Subacute BacterialNeutrophilsAntibodies, AntinuclearAntibodies, MonoclonalConnective TissueBiological MarkersNose DiseasesImmunosuppressive AgentsEosinophilia-Myalgia SyndromeAntibodies, ViralPrednisoloneFluorescent Antibody TechniqueHemoptysisAutoantigensFixativesProctocolectomy, RestorativeMethimazoleImmunoglobulin GAntibodies, BacterialGraves DiseaseCyclophosphamideAutoimmune DiseasesMethylprednisoloneLung DiseasesAntibodies, Monoclonal, Murine-DerivedCrohn DiseaseRespiratory BurstAntibody FormationAntibodies, NeutralizingLupus Erythematosus, SystemicConnective Tissue DiseasesSensitivity and SpecificityRecurrenceSeverity of Illness IndexFormaldehydeBiopsyArthritis, RheumatoidAntibodies, FungalRemission InductionCathepsin GAntibody AffinityFollow-Up StudiesTreatment OutcomeNeutrophil ActivationLysosomal-Associated Membrane Protein 2Antirheumatic AgentsPurpura, Schoenlein-HenochDrug Therapy, CombinationAntibodies, Anti-IdiotypicConnective Tissue Growth FactorPredictive Value of TestsEpitopesBinding Sites, AntibodyKidneyPlasma ExchangeInflammatory Bowel DiseasesBlood SedimentationLactoferrinLeukocyte ElastaseScleritisHIV AntibodiesCholangitis, SclerosingDrug ContaminationAntibodies, NeoplasmAntibodies, ProtozoanRetrospective StudiesImmune SeraMixed Connective Tissue DiseaseConnective Tissue CellsGlucocorticoids