Article info
PDFMethods
Surrogate outcomes are associated with low methodological quality of studies of rheumatoid arthritis treated with antitumour necrosis factor agents: a systematic review
- Correspondence to Moacyr Roberto Cuce Nobre
Unidade de Epidemiologia Clínica – InCor, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, R. Cd. Cagliori, 115, São Paulo 05454-030, São Paulo, Brazil; mrcnobre{at}usp.br
Citation
Surrogate outcomes are associated with low methodological quality of studies of rheumatoid arthritis treated with antitumour necrosis factor agents: a systematic review
Publication history
- First published October 12, 2011.
Online issue publication
November 17, 2020
Article Versions
- Previous version (17 November 2020).
- Previous version (17 November 2020).
- You are viewing the most recent version of this article.
Request permissions
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.
Copyright information
Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions