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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
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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
January 23, 2012
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