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. 8 results Noninvasive Nonpharmacological Treatment for Chronic Pain Systematic Review April 16, 2020 Omega-3 Fatty Acids and Cardiovascular Disease: Current State of the Evidence Clinician Summary Archived July 25, 2017 Diagnosis, Prevention, and Treatment of C. difficile: Current State of the Evidence Clinician Summary Archived May 30, 2017 Omega-3 Fatty Acids and Maternal and Child Health: An Updated Systematic Review Systematic Review Archived October 12, 2016 Omega-3 Fatty Acids and Cardiovascular Disease: An Updated Systematic Review Systematic Review Archived August 12, 2016 Evaluation and Treatment of Tinnitus: Comparative Effectiveness Systematic Review Archived August 23, 2013 Dietary Supplements in Adults Taking Cardiovascular Drugs Systematic Review Archived April 30, 2012 Adjuvant Treatment for Phenylketonuria (PKU) Systematic Review Archived February 22, 2012