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. 3 results Masks for Prevention of COVID-19 in Community and Healthcare Settings: A Living Rapid Review Rapid Evidence Product October 30, 2020 Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder Technical Brief May 14, 2019 Prioritization and Selection of Harms for Inclusion in Systematic Reviews Methods Guide – Chapter February 2, 2018