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Why results of clinical trials and observational studies of antitumour necrosis factor (anti-TNF) therapy differ: methodological and interpretive issues

Objective: Results of randomised clinical trials (RCTs) appear to differ from results of observational studies. This paper explores differences in methodology, interpretation and presentation of results that elucidate these differences. Method: We identified patients who completed a survey questionn...

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Bibliografische gegevens
Hoofdauteurs: Wolfe, F, Michaud, K, DeWitt, E
Formaat: Artigo
Taal:Inglês
Gepubliceerd in: 2004
Onderwerpen:
Online toegang:https://ncbi.nlm.nih.gov/pmc/articles/PMC1766767/
https://ncbi.nlm.nih.gov/pubmed/15479864
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/ard.2004.028530
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