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 Omega-3 Fatty Acids and Cardiovascular Disease: Current State of the Evidence Clinician Summary Archived July 25, 2017 Change Score or Followup Score? An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates White Paper April 20, 2015