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pro vyhledávání: '"Ventura, L."'
Autor:
David P. MacKinnon, Ventura L. Charlin, Brian R. Flay, E J Barrett, Bonnie R. Brannon, Mary Ann Pentz
Publikováno v:
Scopus-Elsevier
This study examined the effects of smoking policy on 4,807 adolescents in 23 schools over a two-county area in California. Amounts and prevalence rates of adolescent smoking were measured with a self-report survey and a biochemical measure; school sm