Comparative effectiveness of tumour necrosis factor inhibitors in combination with either methotrexate or leflunomide
- 6 January 2009
- journal article
- research article
- Published by BMJ in Annals Of The Rheumatic Diseases
- Vol. 68 (12), 1856-1862
- https://doi.org/10.1136/ard.2008.098467