Antibodies, Antineutrophil CytoplasmicVasculitisMyeloblastinWegener GranulomatosisAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisNeutrophilsAntibodiesPeroxidaseMicroscopic PolyangiitisChurg-Strauss SyndromePolyarteritis NodosaSystemic VasculitisAntibody SpecificityRetinal VasculitisVasculitis, Central Nervous SystemVasculitis, Leukocytoclastic, CutaneousAutoantibodiesGlomerulonephritisFluorescent Antibody Technique, IndirectAntibodies, MonoclonalSkin Diseases, VascularSerine EndopeptidasesPropylthiouracilAntibodies, ViralAntibodies, BacterialEnzyme-Linked Immunosorbent AssayAntithyroid AgentsNeutrophil InfiltrationAntibodies, AntinuclearFluorescent Antibody TechniqueArteritisCathepsin GAntibody FormationImmunoglobulin GAntibodies, NeutralizingAutoantigensEndocarditis, Subacute BacterialColitis, UlcerativePurpura, Schoenlein-HenochImmunosuppressive AgentsPrednisoloneBiological MarkersAutoimmune DiseasesLactoferrinAntibody AffinityAntibodies, FungalN-Formylmethionine Leucyl-PhenylalanineEpitopesCyclophosphamideNose DiseasesRheumatoid VasculitisPlasma ExchangeAntibodies, Anti-IdiotypicMethylprednisoloneLeukocyte ElastaseLung DiseasesAntibodies, Monoclonal, Murine-DerivedHemoptysisBinding Sites, AntibodyChemotaxis, LeukocyteAntigen-Antibody ComplexBiopsyMethimazoleTime FactorsNeutrophil ActivationLysosomal-Associated Membrane Protein 2Immunoglobulin MCells, CulturedCryoglobulinemiaHIV AntibodiesLupus Erythematosus, SystemicTreatment OutcomeSensitivity and SpecificityImmunoglobulin AScleritisGraves DiseaseSeverity of Illness IndexAntibodies, NeoplasmAntibodies, ProtozoanMolecular Sequence DataAnti-Glomerular Basement Membrane DiseaseFixativesRecurrenceEosinophilia-Myalgia SyndromeCathepsinsReceptors, IgGBronchiectasisMice, Inbred BALB CImmunoglobulins, IntravenousCross ReactionsLevamisoleHemorrhagePhagocytosisAntigens, CD18Follow-Up StudiesProctocolectomy, RestorativeAzathioprineDrug ContaminationInflammatory Bowel DiseasesRetrospective Studies