Antibodies, Antineutrophil CytoplasmicVasculitisAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisMyeloblastinWegener GranulomatosisAntibodiesChurg-Strauss SyndromeSystemic VasculitisRetinal VasculitisMicroscopic PolyangiitisAntibody SpecificityPolyarteritis NodosaPeroxidaseGlomerulonephritisVasculitis, Central Nervous SystemFluorescent Antibody Technique, IndirectAutoantibodiesAntibodies, MonoclonalAntibodies, ViralPropylthiouracilSerine EndopeptidasesVasculitis, Leukocytoclastic, CutaneousAntibodies, BacterialNeutrophilsAntithyroid AgentsPurpura, Schoenlein-HenochEnzyme-Linked Immunosorbent AssayFluorescent Antibody TechniqueAntibody FormationAntibodies, AntinuclearAntibodies, NeutralizingSkin Diseases, VascularImmunoglobulin GImmunosuppressive AgentsAutoimmune DiseasesAutoantigensAntibody AffinityNeutrophil ActivationEndocarditis, Subacute BacterialAntibodies, Anti-IdiotypicAntibodies, Monoclonal, Murine-DerivedRheumatoid VasculitisLysosomal-Associated Membrane Protein 2Colitis, UlcerativePrednisoloneBiological MarkersCyclophosphamideAntibodies, FungalBinding Sites, AntibodyRespiratory BurstEpitopesPlasma ExchangeCathepsin GMethylprednisoloneCryoglobulinemiaBiopsyHIV AntibodiesLung DiseasesRecurrenceArteritisGraves DiseaseAntigen-Antibody ComplexAntibodies, NeoplasmAntibodies, ProtozoanImmunoglobulin MScleritisMethimazoleLupus Erythematosus, SystemicNose DiseasesImmune SeraSensitivity and SpecificityRemission InductionCross ReactionsPancreatic ElastaseHemoptysisFixativesAzathioprineLactoferrinImmunoglobulin Fab FragmentsLeukocyte ElastaseEosinophilia-Myalgia SyndromeMucocutaneous Lymph Node SyndromeReceptors, IgGKidney DiseasesGlucocorticoidsCholangitis, SclerosingAntigen-Antibody ReactionsDrug ContaminationFocal InfectionKidneyTreatment OutcomeMolecular Sequence DataHemorrhageNeutralization TestsProctocolectomy, RestorativeNecrosisBehcet SyndromeImmunoglobulin AFollow-Up StudiesCryoglobulins