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Chiarotto A, Roorda LD, Crins MH, Boers M, Ostelo RW, Terwee CB. PROMIS Physical Function Short Forms Display Item- and Scale-Level Characteristics at Least as Good as the Roland Morris Disability Questionnaire in Patients With Chronic Low Back Pain. Archives of Physical Medicine and Rehabilitation. 2020 Feb;101(2):297–308. doi: 10.1016/j.apmr.2019.09.018. |