Observer bias in randomised clinical trial with measurement scale outcomes. An analysis of trials with both blind and nonblind outcome assessors. Cochrane Database Syst Rev 2011;133(Suppl 3)

Asbjørn Hróbjartsson, Ann Sofia Skou Thomsen, Frida Emanuelsson, Britta Tendal, Isabell Boutron, Philippe Ravaud, Stig Brorson

Original languageEnglish
Publication date2011
Publication statusPublished - 2011

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