![](https://www.pdfsearch.io/img/fe1df0517cdca556dd0567b33206ded6.jpg) Date: 2011-04-21 11:27:53
| | Levels of Evidence Pyramid •Cochrane Database of Systematic Review •Database of Abstracts of Review of Effect (DARE) •Joanna BriggsAdd to Reading ListSource URL: nnlm.govDownload Document from Source Website File Size: 155,29 KBShare Document on Facebook
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