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Observer bias in randomized clinical trials with measurement scale outcomes: a systematic review of trials with both blinded and nonblinded assessors

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Description scientific article
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author: Stig Brorson  Isabelle Boutron  Ann Sofia Skou Thomsen  Philippe Ravaud  Frida Emanuelsson  Jørgen Hilden  Asbjørn Hróbjartsson 

Publication date January 28, 2013
Language English
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