Učitavanje...
Effect of local youth‐access regulations on progression to established smoking among youths in Massachusetts
OBJECTIVE: To test whether community‐level restrictions on youth access to tobacco (including both ordinances and enforcement) are associated with less smoking initiation or less progression to established smoking among adolescents. DESIGN: Prospective cohort study of a random sample of adolescents...
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| Glavni autori: | , , , , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
BMJ Group
2007
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| Teme: | |
| Online pristup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2598482/ https://ncbi.nlm.nih.gov/pubmed/17400950 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/tc.2006.018002 |
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