1. Current Cigarette Smoking among Adults- United States, 2011;Morbidity and Mortality Weekly Report,2012
2. Racial/Ethnic Disparities and Geographic Differences in Lung Cancer Incidence—38 States and the District of Columbia, 1998–2006;Morbidity and Mortality Weekly Report,2010
3. U.S. Department of Health and Human Services (2012) Preventing Tobacco Use among Youth and Young Adults: A Report of the Surgeon General. Rockville, MD.
4. The Natural History of Cigarette Smoking from Adolescence to Adulthood in a Midwestern Community Sample: Multiple Trajectories and Their Psychosocial Correlates;L Chassin;Health Psychology,2000
5. The Natural History of Drug Use from Adolescence to the Mid-Thirties in a General Population Sample;K Chen;American Journal of Public Health,1995