Diagnosis and treatment of rheumatoid arthritis in the Emilia Romagna region: a prospective population-based study. - Addimanda O; Marino M; Farina I; Trevisani M; Arrigoni E; Lumetti F; Crescentini F; Sambo P; Bezzi A; Bruschi M; Santilli D; Reta M; et al. (Clinical and experimental rheumatology, 2017)