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. 3 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 Comparing Medical Interventions: AHRQ and the Effective Health Care Program Methods Guide – Chapter October 5, 2009