@article{fe985a499cf349c7af8b5dc6234078a7,
title = "Observer bias in randomised clinical trials with binary outcomes: systematic review of trials with both blinded and non-blinded outcome assessors",
abstract = "To evaluate the impact of non-blinded outcome assessment on estimated treatment effects in randomised clinical trials with binary outcomes.",
author = "Asbj{\o}rn Hr{\'o}bjartsson and Thomsen, {Ann Sofia Skou} and Frida Emanuelsson and Britta Tendal and J{\o}rgen Hilden and Isabelle Boutron and Philippe Ravaud and Stig Brorson",
year = "2012",
month = feb,
day = "27",
doi = "10.1136/bmj.e1119",
language = "English",
volume = "344",
journal = "B M J (Clinical Research Edition)",
issn = "0959-8138",
publisher = "B M J Group",
}