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. 5 results EPC Methods: AHRQ End-User Perspectives of Rapid Reviews White Paper April 14, 2016 The Empirical Evidence of Bias in Trials Measuring Treatment Differences Research Report September 29, 2014 Global Health Evidence Evaluation Framework White Paper June 24, 2013 Identifying and Managing Nonfinancial Conflicts of Interest for Systematic Reviews Research Report May 23, 2013 Defining an Optimal Format for Presenting Research Needs Research Report June 10, 2011