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. 2 results Comparative Effectiveness of Physical Therapy for Knee Pain Secondary to Osteoarthritis Research Protocol Archived March 2, 2011 Comparative Effectiveness and Safety of Analgesics for Osteoarthritis – An Update to the 2006 Report Research Protocol Archived August 5, 2010
