title: Seventy-five years of microscopic polyangiitis--what have we learned?
authors.forename: U
authors.initials: U
authors.lastname: Mercado
mesh_terms: D002196:Capillaries / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D010488:Polyarteritis Nodosa / Q000473:pathology; D014657:Vasculitis / Q000175:diagnosis / Q000473:pathology*