title: ANCA vasculitis: to lump or split? Why we should study MPA and GPA separately.
authors.forename: Richard A
authors.initials: RA
authors.lastname: Watts
authors.forename: David G I
authors.initials: DG
authors.lastname: Scott
mesh_terms: D019268:Antibodies, Antineutrophil Cytoplasmic / Q000502:physiology*; D015267:Churg-Strauss Syndrome / Q000145:classification* / Q000453:epidemiology / Q000235:genetics; D014943:Global Health; D014890:Granulomatosis with Polyangiitis / Q000145:classification* / Q000453:epidemiology / Q000235:genetics; D006801:Humans; D055953:Microscopic Polyangiitis / Q000145:classification* / Q000453:epidemiology / Q000235:genetics
chemical_list: D019268:Antibodies, Antineutrophil Cytoplasmic