Poster 403 Using Item Response Theory to Determine the Ability of the Numeric Rating Scale to Accurately Discriminate Between Levels of Pain Severity in Patients with Radicular or Musculoskeletal Pain

PM R. 2016 Sep;8(9S):S293. doi: 10.1016/j.pmrj.2016.07.330. Epub 2016 Sep 24.
No abstract available