Search Search Effective Health Care website Submit search 5 results Sort search results by Sorted by relevance Sort by date Strength of Evidence Presentation June 26, 2010 When To Select Observational Studies as Evidence Presentation June 26, 2010 Assessing Applicability Presentation June 26, 2010 Topic Refinement Presentation June 26, 2010 Training Modules for the Systematic Reviews Methods Guide Presentation June 26, 2010