Hierarchy of evidence: a framework for ranking evidence evaluating healthcare interventions (Q35041656)
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(P31) (Q13442814)
(P304) 77-84
(P407) (Q1860)
(P433) 1
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(P577) Wednesday, January 1, 2003
(P1433) (Q15752180)
(P1476) "Hierarchy of evidence: a framework for ranking evidence evaluating healthcare interventions" (language: en)
(P2093) David Evans
(P13046) (Q7318358)
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