1. Surveillance for smoking-attributable mortality and years of potential life lost, by state—United States, 1990;CDC;MMWR,1994
2. A Report of the Surgeon General,1994
3. Commissioner of Food and Drugs;Kessler,1995
4. National survey results on drug use from monitoring the future study, 1975–1992;Johnston,1993
5. Sports participation, age at smoking initiation, and the risk of smoking among U.S. high school students;Escobedo;JAMA,1993