Physical activity and low back pain: A U-shaped relation?
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PII: S0304-3959(08)00771-9
doi:10.1016/j.pain.2008.12.033
© 2009 International Association for the Study of Pain. Published by Elsevier Inc. All rights reserved.
Refers to article:
- Activity and low back pain: A dubious correlation , 24 February 2009

