Three-armed trials including placebo and no-treatment groups may be subject to publication bias: systematic review.

BACKGROUND: It has been argued that placebos may not have important clinical impacts in general. However, there is increasing evidence of a publication bias among trials published in journals. Therefore, we explored the potential for publication bias in randomized trials with active treatment, place...

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Bibliographic Details
Main Authors: Yun Hyung Koog, Seo Ryang We, Byung-Il Min
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2011-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3105112?pdf=render