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. 6 results Drug Therapy for Early Rheumatoid Arthritis in Adults – An Update Research Protocol May 24, 2017 Contextual Frameworks for Research on the Implementation of Complex System Interventions Research Report March 18, 2014 Grading the Strength of a Body of Evidence When Assessing Health Care Interventions for the Effective Health Care Program of the Agency for Healthcare Research and Quality: An Update Methods Guide – Chapter November 18, 2013 Reliability Testing of the AHRQ EPC Approach to Grading the Strength of Evidence in Comparative Effectiveness Reviews Research Report May 22, 2012 Assessing the Impact of AHRQ Evidence-based Practice Center (EPC) Reports on Future Research Research Report June 10, 2011 Comparative Effectiveness Review Methods: Clinical Heterogeneity Research Report September 27, 2010