Wegener GranulomatosisAntibodies, Antineutrophil CytoplasmicMyeloblastinVasculitisAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisPeroxidaseLymphomatoid GranulomatosisChurg-Strauss SyndromeMicroscopic PolyangiitisDura MaterVasculitis, Leukocytoclastic, CutaneousPropylthiouracilFluorescent Antibody Technique, IndirectPolyarteritis NodosaAntibodiesAntithyroid AgentsSerine EndopeptidasesGlomerulonephritisAutoantibodiesAntibody SpecificityEnzyme-Linked Immunosorbent AssayColitis, UlcerativeEndocarditis, Subacute BacterialNeutrophilsImmunosuppressive AgentsAntibodies, MonoclonalNose DiseasesAntibodies, AntinuclearBiological MarkersPrednisoloneCyclophosphamideAutoantigensHemoptysisEosinophilia-Myalgia SyndromeAntibodies, ViralFluorescent Antibody TechniqueImmunoglobulin GLung DiseasesFixativesProctocolectomy, RestorativeMethimazoleMethylprednisoloneAntibodies, BacterialAutoimmune DiseasesAntibodies, Monoclonal, Murine-DerivedGraves DiseaseCrohn DiseaseGranulomatosis, OrofacialRecurrenceRespiratory BurstBiopsyAntibody FormationAntibodies, NeutralizingScleritisLupus Erythematosus, SystemicRemission InductionSensitivity and SpecificitySeverity of Illness IndexCathepsin GFormaldehydeTreatment OutcomeArthritis, RheumatoidFollow-Up StudiesAntibodies, FungalPurpura, Schoenlein-HenochNeutrophil ActivationAntirheumatic Agents