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Web sites selling cigarettes: how many are there in the USA and what are their sales practices?
OBJECTIVES—To estimate the number and geographic location of web sites selling cigarettes in the USA, and to examine their sales and marketing practices. METHODS—Comprehensive searches were conducted using four keyword terms and five popular internet search engines, supplemented by sites identified...
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| Auteurs principaux: | , , |
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
BMJ Group
2001
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| Sujets: | |
| Accès en ligne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1747619/ https://ncbi.nlm.nih.gov/pubmed/11740027 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/tc.10.4.352 |
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