Strategies to improve retention in randomised trials: a Cochrane systematic review and meta-analysis | BMJ Open

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Strategies to improve retention in randomised trials: a Cochrane systematic review and meta-analysis

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Cite this article as:: Brueton VC, Tierney JF, Stenning S, et al

Strategies to improve retention in randomised trials: a Cochrane systematic review and meta-analysis

BMJ Open 2014;4:e003821. doi: 10.1136/bmjopen-2013-003821