摘要
Despitelawsdesignedtokeepcigarettesawayfromkids,34percentofU.S.highschoolstudentsand15percentofmiddleschoolstudentsusetobaccoproducts,governmenthealthofficialssay.Thosefiguresmeanmorethan3millionkidsbetweentheagesof12and17arelightingup,accordingtothenationalsurveybytheCentersforDisease
出版日期
2003年12月22日（中国期刊网平台首次上网日期，不代表论文的发表时间）
