(Q37549075)
Statements
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AHRQ series paper 5: grading the strength of a body of evidence when comparing medical interventions--agency for healthcare research and quality and the effective health-care program (English)
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Mark Helfand
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Kathleen N Lohr
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Douglas K Owens
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David Atkins
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Jonathan R Treadwell
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James T Reston
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Eric B Bass
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Stephanie Chang
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1 May 2010
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63
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5
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513-523
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Identifiers
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