@article{932329f21bbc4886a4d2e2af71906761,
title = "Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: meta-epidemiological study",
author = "L Wood and M Egger and LL Gluud and K Schulz and P Juni and DG Altman and C Gluud and RM Martin and AJG Wood and J Sterne",
year = "2008",
month = mar,
day = "13",
doi = "10.1136/bmj.39465.451748.AD",
language = "English",
volume = "336",
pages = "601 -- 605",
journal = "BMJ",
issn = "0959-8138",
publisher = "BMJ Publishing Group",
number = "7644",
}