Tobacco and alcohol use as an explanation for the association between externalizing behavior and illicit drug use among delinquent adolescents.
Helstrom A, Bryan A, Hutchison KE, Riggs PD, Blechman EA. Tobacco and alcohol use as an explanation for the association between externalizing behavior and illicit drug use among delinquent adolescents. Prev Sci. 2004 Dec; 5(4):267-77.