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 Finding Evidence
The categories below are based on the University of Washington's Pyramid of Evidence and are listed
beginning with those likely to provide the most valid and relevant information with the least
expenditure of time and effort.
Systematic Reviews/Meta-analyses
Evidence Guidelines/Summaries
Clinical Research Critiques
Individual Studies
Clinical Practice Guidelines
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 Additional Resources
Databases
Mega Search Engines
Selected Sites by Topic
 Evaluating
Evidence
The following resources include a comparison of study designs, levels of evidence and grades of
recommendation, and tools for critical appraisal of evidence.
 Citing Sources
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