1. Nationwide Tobacco Smoking Survey in 1990;Japan Tobacco Industry Incorporated,1990
2. National status on nutrition in 1988;Ministry of Health and Welfare,1990
3. Standardization of definitions concerning smoking behavior among Japanese adolescents—results from the Japan Adolescent Smoking Survey (JASS);Kawabata;Japanese J Public Health,1991
4. Smoking and alcohol drinking behavior among Japanese adolescents—results from “Japan Know Your Body Study”;Kawabata;Japanese J Public Health,1991
5. Smoking and its control in Japan;Shimao,1988