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This comment refers to the article which can be found at http://dx.doi.org/10.1007/s00586-002-0464-0
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Boos, N. Comment to "The clinical importance of changes in outcome scores after treatment for chronic low back pain" by O. Hägg et al.. Eur Spine J 12, 21 (2003). https://doi.org/10.1007/s00586-003-0533-z
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DOI: https://doi.org/10.1007/s00586-003-0533-z