Using ClinicalTrials.gov to supplement information in ophthalmology conference abstracts about trial outcomes: a comparison study.

Using ClinicalTrials.gov to supplement information in ophthalmology conference abstracts about trial outcomes: a comparison study.

BACKGROUND:Including results from unpublished randomized controlled trials (RCTs) in a systematic review may ameliorate the effect of publication bias in systematic review results. Unpublished RCTs are sometimes described in abstracts presented at conferences, included in trials registers, or both....

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Bibliographic Details
Main Authors:	Roberta W Scherer, Lynn Huynh, Ann-Margret Ervin, Kay Dickersin
Format:	Article
Language:	English
Published:	Public Library of Science (PLoS) 2015-01-01
Series:	PLoS ONE
Online Access:	http://europepmc.org/articles/PMC4479484?pdf=render

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