1. US Department of Health and Human Services. Preventing tobacco use among young people. A report of the surgeon general. Atlanta, GA. USDHHS Public Health Service, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 1994
2. Tobacco use among middle and high school students—United States, 1999;MMWR Weekly,2000
3. Youth Tobacco Surveillance—United States, 2000;MMWR Surveillance Summaries,2001
4. Between harm and dangers. Oral snuff use, cigarette smoking and problem behaviors in a survey of Swedish male adolescents;Galanti;Eur J Pub Health,2001
5. Cigar smoking among teenagers—United States, Massachusetts, and New York;MMWR Weekly,1997