Roger A Roffman

The Marijuana Check-up: promoting change in ambivalent marijuana users.

R. Stephens, R. Roffman, Stephanie A. Fearer, 2007, Addiction.

Cognitive functioning of long-term heavy cannabis users seeking treatment.

Thomas Babor, Ronald Kadden, N. Solowij, 2002, JAMA.

Internet-based intervention for mental health and substance use problems in disaster-affected populations: a pilot feasibility study.

Ayelet Meron Ruscio, Matthew J Carpenter, Sandro Galea, 2006, Behavior therapy.