E-cigarette initiation and associated changes in smoking cessation and reduction: the Population Assessment of Tobacco and Health Study, 2013–2015
Kaitlyn M Berry, Lindsay M Reynolds, Jason M Collins, Michael B Siegel, Jessica L Fetterman, Naomi M Hamburg, Aruni Bhatnagar, Emelia J Benjamin, Andrew Stokes
Tobacco Control Jan 2019, 28 (1) 42-49; DOI: 10.1136/tobaccocontrol-2017-054108