Product Search Search Effective Health Care website Submit search Search Tip: Use double quotes around phrases to rank exact matches higher in the result list. 4 results Sort search results by Sorted by relevance Sort by date Assessing Harms when Comparing Medical Interventions Methods Guide – Chapter October 5, 2009 Using Existing Systematic Reviews to Replace de Novo Processes in CERs Methods Guide – Chapter October 5, 2009 Using the Principles of Randomized Controlled Trial Design to Guide Test Evaluation Research Report November 9, 2009 Design Specifications for Network Prototype and Cooperative To Conduct Population-Based Studies and Safety Surveillance Research Report July 28, 2009