(Q37718979)
Statements
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Randomised controlled trials for policy interventions: a review of reviews and meta-regression (English)
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J Colquitt
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S Oliver
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A M Bagnall
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J Thomas
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A Sowden
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I White
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R Rees
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Z Garrett
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1 March 2010
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14
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16
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1-165, iii
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Identifiers
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