(Q37525304)
Statements
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AHRQ series paper 3: identifying, selecting, and refining topics for comparative effectiveness systematic reviews: AHRQ and the effective health-care program (English)
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Mark Helfand
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Evelyn P Whitlock
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Sarah A Lopez
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Stephanie Chang
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Michelle Eder
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Nicole Floyd
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21 June 2009
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63
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5
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491-501
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Identifiers
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