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- October 7, 2008
- Published online March 13, 2009.
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- Latest version (January 22, 2009 - 16:24).
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- SALMA AYIS and
- PAUL DIEPPE
- From the Department of Social Medicine, University of Bristol, and Nuffield Department of Orthopaedic Surgery, University of Oxford, Oxford, UK.
- S. Ayis, PhD, Research Associate (Statistician), Department of Social Medicine, University of Bristol; P. Dieppe, FRCP, FFPH, MRC, Senior Clinical Scientist, Nuffield Department of Orthopaedic Surgery, University of Oxford.
- Address reprint requests to Dr. S. Ayis, Department of Social Medicine, University of Bristol, Canynge Hall, 39 Whatley Road, Bristol BS8 2PR, UK. E-mail: S.ayis{at}bristol.ac.uk