Search Search Effective Health Care website Submit search 3 results Sort search results by Sort by relevance Sorted by date The Empirical Evidence of Bias in Trials Measuring Treatment Differences Research Report September 29, 2014 Identifying and Managing Nonfinancial Conflicts of Interest for Systematic Reviews Research Report May 23, 2013 Defining an Optimal Format for Presenting Research Needs Research Report June 10, 2011