American journal of preventive medicine
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Randomized Controlled Trial Clinical Trial
Perceived and measured availability of tobacco to youths in 14 Minnesota communities: the TPOP Study. Tobacco Policy Options for Prevention.
Availability of tobacco to young people is believed to be an important factor in the onset of tobacco use. We still do not have a complete picture of how tobacco is obtained by youths or how access can be curtailed. ⋯ These results suggest that sources of cigarettes shift from social to commercial with age and that sources of cigarettes for rural youths may be different than for urban youths.