VasculitisAntibodies, Antineutrophil CytoplasmicAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisWegener GranulomatosisMyeloblastinAntibodiesSystemic VasculitisChurg-Strauss SyndromeRetinal VasculitisAntibody SpecificityPolyarteritis NodosaMicroscopic PolyangiitisPeroxidaseVasculitis, Central Nervous SystemAntibodies, ViralAntibodies, MonoclonalGlomerulonephritisFluorescent Antibody Technique, IndirectAntibodies, BacterialAutoantibodiesPropylthiouracilVasculitis, Leukocytoclastic, CutaneousPurpura, Schoenlein-HenochNeutrophilsSerine EndopeptidasesAntithyroid AgentsAntibody FormationAntibodies, NeutralizingFluorescent Antibody TechniqueAntibodies, AntinuclearEnzyme-Linked Immunosorbent AssaySkin Diseases, VascularAntibody AffinityImmunosuppressive AgentsImmunoglobulin GAutoimmune DiseasesRheumatoid VasculitisAntibodies, Anti-IdiotypicAntibodies, Monoclonal, Murine-DerivedPrednisoloneAntibodies, FungalBinding Sites, AntibodyAutoantigensEndocarditis, Subacute BacterialColitis, UlcerativeCyclophosphamideNeutrophil ActivationBiological MarkersLysosomal-Associated Membrane Protein 2EpitopesCryoglobulinemiaHIV AntibodiesPlasma ExchangeMethylprednisoloneAntibodies, NeoplasmAntibodies, ProtozoanScleritisBiopsyMethimazoleImmunoglobulin MNose DiseasesLung DiseasesAntigen-Antibody ComplexImmune SeraGraves DiseaseRespiratory BurstLupus Erythematosus, SystemicCross ReactionsRecurrenceHemoptysisCathepsin GFixativesSensitivity and SpecificityRemission InductionArteritisEosinophilia-Myalgia SyndromeMucocutaneous Lymph Node SyndromeDrug ContaminationFocal InfectionAzathioprinePancreatic ElastaseNeutralization TestsGlucocorticoidsProctocolectomy, RestorativeMolecular Sequence DataNecrosisBehcet SyndromeCryoglobulinsTreatment OutcomeKidney DiseasesAntigen-Antibody ReactionsAntibodies, BispecificMice, Inbred BALB CHemorrhageKidneySingle-Chain AntibodiesAmino Acid SequenceReceptors, IgGImmunoglobulin Fab FragmentsAntibodies, Blocking