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2. Relative importance of musculoskeletal disorders as a cause of chronic health problems, disability, and health care utilization: findings from the 1990 Ontario Health Survey;Badley;Journal of Rheumatology,1994
3. Recommendations for a core set of outcome measures for future phase III clinical trials in knee, hip, and hand osteoarthritis. Consensus development at OMERACT III;Bellamy;Journal of Rheumatology,1997
4. Workshop on etiopathogenesis of osteoarthritis;Brandt;Journal of Rheumatology,1986
5. Chris Cates EBM Website www.nntonline.com Visual Rx NNT Calculator 2003