https://www.selleckchem.com/pr....oducts/5-cholesten-3
About 40% of the vape shops were located within 0.5 miles of a middle or high school. Sociodemographic disparities exist in the e-cigarette retail environment. In addition to the need to address the disparities identified in this study, our results showing the presence of vape shops within walkable distances of schools calls for tighter regulations and continued surveillance around the marketing practices of e-cigarette retailers. © 2020 The Authors.This study examines the socioeconomic determinants of dual use of smo
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