(Q37230105)
Statements
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Using natural experiments to evaluate population health interventions: new Medical Research Council guidance (English)
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David Ogilvie
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David Gunnell
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Mark Petticrew
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Sally Haw
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Kenny Lawson
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Sally Macintyre
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Barney Reeves
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Simon Thompson
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10 May 2012
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1182-1186
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Identifiers
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