Anxious arousal and anhedonic depression symptoms and the frequency of current marijuana use: testing the mediating role of marijuana-use coping motives among active users.
Johnson KA, Bonn-Miller MO, Leyro TM, Zvolensky MJ. Anxious arousal and anhedonic depression symptoms and the frequency of current marijuana use: testing the mediating role of marijuana-use coping motives among active users. J Stud Alcohol Drugs. 2009 Jul; 70(4):543-50.