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Effect of leisure time physical activity on severe knee or hip osteoarthritis leading to total joint replacement: a population-based prospective cohort study

Eva Ageberg*, Gunnar Engström, Maria Gerhardsson de Verdier, Jan Rollof, Ewa M Roos and L Stefan Lohmander

BMC Musculoskeletal Disorders 2012, 13:73  doi:10.1186/1471-2474-13-73

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