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Search results with tag "Levels of evidence for clinical"

Levels of Evidence for Clinical Studies - Elsevier

Levels of Evidence for Clinical Studies - Elsevier

www.elsevier.com

spective comparative study; study of nonconsecutive patients without consistently applied reference “gold” standard; analyses based on limited alternatives and costs and poor estimates; sys-tematic review of Level III studies. Level IV: Case series; case control study (diagnostic studies); poor refer-

  Clinical, Evidence, Levels, Spective, Levels of evidence for clinical

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