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Clinical and epidemiological research
Extended report
Comparative effectiveness of tumour necrosis factor α inhibitors in combination with either methotrexate or leflunomide
- Correspondence to Dr A Strangfeld, German Rheumatism Research Centre, Epidemiology Unit, Chariteplatz 1, 10117 Berlin, Germany; Strangfeld{at}drfz.de
Citation
Comparative effectiveness of tumour necrosis factor α inhibitors in combination with either methotrexate or leflunomide
Publication history
- Accepted December 16, 2008
- First published January 6, 2009.
Online issue publication
November 12, 2009
Article Versions
- Previous version (6 January 2009).
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BMJ Publishing Group Ltd and European League Against Rheumatism. All rights reserved.