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 Interventions to Improve Appropriate Antibiotic Use for Acute Respiratory Tract Infections Research Protocol Archived May 23, 2014 Otitis Media With Effusion: Comparative Effectiveness of Treatments Research Protocol Archived March 20, 2012 Evaluation and Treatment of Tinnitus: A Comparative Effectiveness Review Research Protocol Archived February 22, 2012