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. 4 results Treating and Preventing C. difficile Infections Consumer Summary Archived May 30, 2017 Home-Based Primary Care Interventions Systematic Review Research Protocol Archived November 19, 2014 The Effectiveness and Risks of Long-term Opioid Treatment of Chronic Pain Research Protocol Archived December 19, 2013 Pressure Ulcer Risk Assessment and Prevention: A Comparative Effectiveness Review Research Protocol Archived January 10, 2012