A Systematic review of controlled clinial trials on the prevention of back pain in industry

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      <subfield code="a">In this article the authors try to evaluate the evidence for the effectiveness of education, exercise, and lumbar supports in the prevention of back pain in industry in a systematic way, by assessing the methodological quality of the studies, and by grading the level of evidence with a rating system. The methodological quality, the outcome, and the number of studies were taken into account in the rating system</subfield>
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      <subfield code="g">Vol. 54, nº 12, December 1997 ; p. 841-847</subfield>
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