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2016
Blevins CE, Banes KE, Stephens RS, Walker DD, Roffman RA.  2016.  Motives for marijuana use among heavy-using high school students: An analysis of structure and utility of the Comprehensive Marijuana Motives Questionnaire.. Addict Behav. 57:42-7.
2015
Walker DD, Stephens RS, Towe S, Banes K, Roffman R.  2015.  Maintenance Check-ups Following Treatment for Cannabis Dependence.. J Subst Abuse Treat. 56:11-5.
2011
Fox CL, Towe SL, Stephens RS, Walker DD, Roffman RA.  2011.  Motives for cannabis use in high-risk adolescent users.. Psychol Addict Behav. 25(3):492-500.