title: Positive ANCA and diagnosis of systemic vasculitis.
authors.forename: C G
authors.initials: CG
authors.lastname: Kallenberg
authors.forename: J W
authors.initials: JW
authors.lastname: Tervaert
mesh_terms: D019268:Antibodies, Antineutrophil Cytoplasmic; D001323:Autoantibodies / Q000032:analysis*; D003951:Diagnostic Errors; D014890:Granulomatosis with Polyangiitis / Q000175:diagnosis*; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis*; D010488:Polyarteritis Nodosa / Q000175:diagnosis*
chemical_list: D019268:Antibodies, Antineutrophil Cytoplasmic; D001323:Autoantibodies; D007074:Immunoglobulin G