1. 1997 Youth Risk Behavior Survey Report,1997
2. Tobacco Use Among High School Students– United States 1997;MMWR,1998
3. State-specific prevalence of cigarette smoking among adults, and adolescents’ exposure to environmental tobacco smoke–United States, 1996;MMWR,1997
4. Kentucky Agricultural Statistics, 1996–1997,1997
5. Passive Smoking;MMWR,1988