Spine
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..: A retrospective clinical study of patients who were treated from January 2011 to December 2018 and met our criteria. ⋯ 4.
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A prospective study. ⋯ 3.
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Retrospective case control study. ⋯ 3.
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Case report. ⋯ 5.
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Economic evaluation of the costs of low back pain (LBP) in Spain from a societal perspective, including direct and indirect costs, based on a national representative sample of the general population, the National Health Survey of 2017 (NHS 2017). ⋯ 3.