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. 9 results Sort search results by Sorted by relevance Sort by date Comparative Effectiveness of Dietary Supplement Versus No Dietary Supplement Use in Adults Taking Cardiovascular Drugs Research Protocol Archive December 21, 2010 Omega-3 Fatty Acids and Cardiovascular Disease Consumer Summary July 25, 2017 Treating and Preventing C. difficile Infections Consumer Summary Archive May 30, 2017 Omega 3 Fatty Acids and Cardiovascular Disease - Update Research Protocol April 2, 2015 Noninvasive Treatments for Low Back Pain Research Protocol Archive October 8, 2014 Vitamin D and Calcium: A Systematic Review of Health Outcomes Research Protocol Archive June 10, 2013 Systematic Review Update: Noninvasive Nonpharmacologic Treatments for Chronic Pain Research Protocol March 1, 2019 Noninvasive, Nonpharmacological Treatment for Chronic Pain Research Protocol April 27, 2017 Omega 3 Fatty Acids and Maternal and Child Health Research Protocol May 18, 2015