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 BacterialBiological MarkersNeutrophilsAntibodies, MonoclonalAntibodies, AntinuclearNose DiseasesImmunosuppressive AgentsEosinophilia-Myalgia SyndromeAntibodies, ViralPrednisoloneHemoptysisFluorescent Antibody TechniqueFixativesAutoantigensProctocolectomy, RestorativeMethimazoleImmunoglobulin GAntibodies, BacterialCyclophosphamideGraves DiseaseAutoimmune DiseasesMethylprednisoloneLung DiseasesAntibodies, Monoclonal, Murine-DerivedCrohn DiseaseRespiratory BurstAntibody FormationAntibodies, NeutralizingSensitivity and SpecificityLupus Erythematosus, SystemicRecurrenceSeverity of Illness IndexFormaldehydeBiopsyAntibodies, FungalRemission InductionArthritis, RheumatoidCathepsin GFollow-Up StudiesTreatment OutcomeAntibody AffinityNeutrophil ActivationPredictive Value of TestsAntirheumatic AgentsLysosomal-Associated Membrane Protein 2Purpura, Schoenlein-HenochDrug Therapy, CombinationAntibodies, Anti-IdiotypicEpitopesKidneyBinding Sites, AntibodyPlasma ExchangeInflammatory Bowel DiseasesBlood SedimentationLactoferrinLeukocyte ElastaseScleritisHIV AntibodiesCholangitis, SclerosingDrug ContaminationAntibodies, NeoplasmRetrospective StudiesAntibodies, ProtozoanImmune SeraDisease ProgressionGlucocorticoids