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机译:Multilevel analysis of the impact of school-level tobacco policies on adolescent smoking: The case of Michigan
Department of Advertising and Public Relations, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu;
Michigan State University, 309 Communication Arts and Sciences, East Lansing, MI 48824, United;
Adolescent smoking; Social ecological model; Tobacco control; Tobacco-free school policy;