1. 1Johnston, L.D., P.M. O'Malley & J.G. Bachman. 2002. Monitoring the future: national results on adolescent drug use: overview of key findings, 2001. National Institute on Drug Abuse. Bethesda, MD.
2. 2U.S. Department of Health and Human Services. 1994. Preventing Tobacco Use among Young People. A Report of the Surgeon General: 1-10. USDHHS. Atlanta, GA.
3. 3Flay, B.R. & J. Petraitis. 1994. The theory of triadic influence: a new theory of health behavior with implications for preventive interventions. In Advances in Medical Sociology, Vol. IV: A Reconsideration of Models of Health Behavior Change. G.S. Albrecht, Ed.: 19-44. JAI Press. Greenwich, CT.
4. 4Flay, B.R., J. Petraitis & F.B. Hu. 1999. Psychosocial risk and protective factors for adolescent tobacco use. Nicotine Tob. Res. 1(Suppl. 1): S59-S65.
5. 5Petraitis, J., B.R. Flay & T.Q. Miller. 1995. Reviewing theories of adolescent substance use: organizing pieces in the puzzle. Psychol. Bull. 117(1): 67-86.