Efficacy of abatacept and tocilizumab in patients with rheumatoid arthritis treated in clinical practice: results from the nationwide Danish DANBIO registry

Henrik Christian Leffers, Mikkel Østergaard, Bente Glintborg, Niels Steen Krogh, Heidi Foged Henriksen, Ulrik Tarp, Tove Lorenzen, Annette Hansen, Michael Sejer Hansen, Martin Skov Jacobsen, Lene Dreyer, Merete Lund Hetland, All Departments of Rheumatology in Denmark, Lene Dreyer