作者单位：
MRC General Practice Research Framework, London NW1 2ND, United Kingdom
[1]
Centre for Outcomes Research and Effectiveness, University College London, London WC1E 7HB, United
[2]
MRC Social and Public Health Sciences Unit, Glasgow G12 8RZ, United Kingdom
[3]
MRC Population Health Sciences Research Network, Glasgow G12 8RZ, United Kingdom
[4]
Public and Environmental Health Research Unit, Department of Public Health and Policy, London
[5]
Nuffield Department of Orthopaedic Surgery, University of Oxford, Nuffield Orthopaedic Centre
[6]
发布时间
2013-11-20
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