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BMJ Publishing Group, BMJ, feb14 1(344), p. e813-e813, 2012

DOI: 10.1136/bmj.e813

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Impact of single centre status on estimates of intervention effects in trials with continuous outcomes: meta-epidemiological study

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Objective To compare estimates of intervention effects between single centre and multicentre randomised controlled trials with continuous outcomes.