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 Future Research Needs for the Comparative Effectiveness of Breathing Exercises and/or Retraining Techniques in the Treatment of Asthma Systematic Review Archived September 13, 2012 Analgesics for Osteoarthritis: An Update of the 2006 Comparative Effectiveness Review Systematic Review Archived October 24, 2011 Comparative Effectiveness and Safety of Analgesics for Osteoarthritis Systematic Review Archived September 25, 2006
