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Swift E, Borland R, Cummings KM, Fong GT, McNeill A, Hammond D, Thrasher JF, Partos TR, Yong HH.Swift E, et al. Among authors: fong gt.Tob Control. 2015 Nov;24(6):616-21. doi: 10.1136/tobaccocontrol-2014-051880. Epub 2014 Nov 10.Tob Control. 2015.PMID: 25385449Free PMC article.