Morris, PhD, C., K. E. Green, PhD, and L. L. Chimuma, MAT. “A Rasch Analysis of the Current Opioid Misuse Measure for Patients With Chronic Pain”. Journal of Opioid Management, vol. 14, no. 1, Mar. 2018, pp. 9-14, doi:10.5055/jom.2018.0424.