1. Comparative effectiveness of tumour necrosis factor α inhibitors in combination with either methotrexate or leflunomide. Issue 12 (6th January 2009) Authors: Strangfeld, A; Hierse, F; Kekow, J; von Hinueber, U; Tony, H-P; Dockhorn, R; Listing, J; Zink, A Journal: Annals of the rheumatic diseases Issue: Volume 68:Issue 12(2009) Page Start: 1856 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗