RT Journal Article SR Electronic T1 ‘Beyond nicotine’ marketing strategies: Big Tobacco diversification into the vaping and cannabis product sectors JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP tobaccocontrol-2021-056798 DO 10.1136/tobaccocontrol-2021-056798 A1 Timothy Dewhirst YR 2021 UL http://tobaccocontrol.bmj.com/content/early/2021/09/11/tobaccocontrol-2021-056798.abstract AB