Karakula, S. L., Weiss, R. D., Griffin, M. L., Borges, A. M., Bailey, A. J., & McHugh, R. K. (2016). Delay Discounting in Opioid Use Disorder: Differences between Heroin and Prescription Opioid Users. Drug Alcohol Depend.

Karakula, Sterling L., Roger D. Weiss, Margaret L. Griffin, Allison M. Borges, Allen J. Bailey, και R. Kathryn McHugh. "Delay Discounting in Opioid Use Disorder: Differences between Heroin and Prescription Opioid Users." Drug Alcohol Depend 2016.

Karakula, Sterling L., et al. "Delay Discounting in Opioid Use Disorder: Differences between Heroin and Prescription Opioid Users." Drug Alcohol Depend 2016.