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Minimum clinically important difference in lumbar spine surgery patients: a choice of methods using the Oswestry Disability Index, Medical Outcomes Study questionnaire Short Form 36, and pain scales

Authors:
Copay, Anne G.; Glassman, Steven D.; Subach, Brian R.; Berven, Sigurd; Schuler, Thomas C.; Carreon, Leah Y.
Journal:
Spine Journal: Official Journal of the North American Spine Society
Year:
2008
DOI