Decreased use of glucocorticoids in biological-experienced patients with rheumatoid arthritis who initiated intravenous abatacept results from the 2-year ACTION study - Alten, Rieke; Nüßlein, Hubert; Galeazzi, Mauro; Lorenz, Hanns-Martin; Nurmohamed, Michael T.; Bensen, William G.; Burmester, Gerd R.; Peter, Hans-Hartmut; Pavelka, Karel; Chartier, Melanie; Poncet, Coralie; Rauch, Christiane; et al. (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2016)