Progression from marijuana use to daily smoking and nicotine dependence in a national sample of U.S. adolescents.
Timberlake DS, Haberstick BC, Hopfer CJ, Bricker J, Sakai JT, Lessem JM, Hewitt JK. Progression from marijuana use to daily smoking and nicotine dependence in a national sample of U.S. adolescents. Drug Alcohol Depend. 2007 May 11; 88(2-3):272-81.