Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: meta-epidemiological study.

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Published in BMJ on March 03, 2008

Authors

Lesley Wood1, Matthias Egger, Lise Lotte Gluud, Kenneth F Schulz, Peter Jüni, Douglas G Altman, Christian Gluud, Richard M Martin, Anthony J G Wood, Jonathan A C Sterne

Author Affiliations

1: Department of Social Medicine, University of Bristol, Bristol BS8 2PR.

Associated clinical trials:

Effectiveness of a Short, Intensive and Standardised Spa Therapy for Low Back Pain on Sick Leave Duration (ITILO) | NCT01648738

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