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. 2 results Sort search results by Sorted by relevance Sort by date EPC Methods: AHRQ End-User Perspectives of Rapid Reviews White Paper April 14, 2016 Change Score or Followup Score? An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates White Paper April 20, 2015
