How much does the Dallas Pain Questionnaire score have to improve to indicate that patients with chronic low back pain feel better or well?
Marty M., Courvoisier D., Foltz V., Mahieu G., Demoulin C., Gierasimowicz A., Norberg M., de Goumoëns P., Cedraschi C., Rozenberg S. et al., 2016. European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 25 (1) pp. 304-309. Peer-reviewed.
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