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Evaluation of a Canadian back pain mass media campaign.
Spine (Phila Pa 1976) 35(8):906-13 (2010) PMID 20308943
Quasi-experimental before-and-after design with control group.
DOI: 10.1097/BRS.0b013e3181c91140
Version: za2963e q8zaa q8zb2 q8zce q8zdb q8ze9 q8zf8 q8zgb
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