McDonough, MBBS, M., Johnson, PhD, J. L., White, PhD, J. M. and Buisman-Pijlman, PhD, F. T. A. (2019) “Measuring opioid dependence in chronic pain patients: A comparison between addiction clinic and pain clinic patient populations”, Journal of Opioid Management, 15(4), pp. 285–293. doi: 10.5055/jom.2019.0514.