Butler, PhD, S.F., Black, PhD, R.A., Grimes Serrano, PhD, J.M., Wood, MPH, M.E. and Budman, PhD, S.H. 2018. Characteristics of prescription opioid abusers in treatment: Prescription opioid use history, age, use patterns, and functional severity. Journal of Opioid Management. 6, 4 (Jan. 2018), 239–252. DOI:https://doi.org/10.5055/jom.2010.0022.