Search Search Effective Health Care website Submit search 4 results Sort search results by Sorted by relevance Sort by date Standardized Library of Atrial Fibrillation Outcome Measures White Paper November 15, 2018 Data Points Publication Series Series Overview February 15, 2011 Future Research Needs Projects Series Overview September 13, 2010 Change Score or Followup Score? An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates White Paper April 20, 2015