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 Diagnosis and Treatment of Clinical Alzheimer's-Type Dementia Systematic Review April 28, 2020 Change Score or Followup Score? An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates White Paper April 20, 2015 Role of Single Group Studies in Agency for Healthcare Research and Quality Comparative Effectiveness Reviews White Paper January 25, 2013