3US Department of Health and Human Services.The health consequences of smoking:nicotine addiction-a report of the Surgeon General,1988.Rockville,Maryland:Public Health Service,Office on Smoking and Health[R].DHHS Publication No (CDC) 1988-8406.
4O' Loughlin J,Paradis G,Renaud L,et al.One-year predictors of smoking initiation and of continued smoking among elementary schoolchildren in multiethnic,low-income,inner-city neighborhoods[J].Tobacco Control,1998,7; 268-275.
5Dusenbury L,Kemer J,and Baker E.Predictors of smoking prevalence among New York Latino youth[J].American Journal of PublicHealth,1992,82; 55-58.
6Vartiainen E,Paavola M,Mcalister A,et al.Public health briefs:fifteen-year follow-up of smoking prevention effects in the North Karelia Youth Project[J].Aerican Journal of Public Health,1998,88; 81-85.