1. The impact of seropositivity on the effectiveness of biologic anti-rheumatic agents: results from a collaboration of 16 registries. (18th August 2020) Authors: Courvoisier, Delphine S; Chatzidionysiou, Katarina; Mongin, Denis; Lauper, Kim; Mariette, Xavier; Morel, Jacques; Gottenberg, Jacques-Eric; Bergstra, Sytske Anne; Suarez, Manuel Pombo; Codreanu, Catalin; Kvien, Tore K; Santos, Maria Jose; Pavelka, Karel; Hetland, Merete L; Askling, Johan; Turesso... Journal: Rheumatology Issue: Volume 60:Number 2(2021) Page Start: 820 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗