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Vieira AC, Moniz S, Fernandes R, Carnide F, Cruz EB.

Vieira AC, Moniz S, Fernandes R, Carnide F, Cruz EB. (2014). Responsiveness and interpretability of the Portuguese version of the Quebec Back Pain Disability Scale in patients with chronic low back pain. Spine (Phila Pa 1976); 39(5):E346-52. doi: 10.1097/BRS.0000000000000159.