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A new measure of youth cigarette smoking
American students' 30-day smoking prevalence has decreased dramatically over the past two decades. The frequency of smoking within the 30-day measure has shifted from heavy smoking (>1/2 pack/day) toward light smoking (<1 to 5 cigarettes/day). 30-day prevalence thus understates the extent...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Elsevier
2018
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6125759/ https://www.ncbi.nlm.nih.gov/pubmed/30191096 http://dx.doi.org/10.1016/j.pmedr.2018.08.013 |