American Journal of Preventive Medicine · 1988 · 25 citations · 3 references
Natural SciencesPharmacokineticsStatisticsAge DistributionSampling MethodsSampling TheorySurvey SamplingTobacco EpidemiologyTobacco Use PreventionFree SamplesTobacco Sales To Minors
3
Legislative Efforts to Protect Children From Tobacco
Joseph R. DiFranza · JAMA · 1987 · 109 citations
Laws Ban Minors' Tobacco Purchases, but Enforcement Is Another Matter
TIMOTHY F. KIRN · JAMA · 1987 · 32 citations