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 Change Score or Followup Score? An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates White Paper April 20, 2015 Fecal DNA Testing in Screening for Colorectal Cancer in Average Risk Adults Systematic Review Archived February 29, 2012