RT Journal Article SR Electronic T1 Exposure to ‘smokescreen’ marketing during the 2018 Formula 1 Championship JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP e154 OP e155 DO 10.1136/tobaccocontrol-2019-055025 VO 28 IS e2 A1 Alexander B Barker A1 Magdalena Opazo Breton A1 Rachael L Murray A1 Bruce Grant-Braham A1 John Britton YR 2019 UL http://tobaccocontrol.bmj.com/content/28/e2/e154.abstract AB