RT Journal Article SR Electronic T1 Under the influence JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP e73 OP e75 DO 10.1136/tobaccocontrol-2020-056391 VO 30 IS e1 A1 Raglan Maddox A1 Pamela M. Ling A1 Billie-Jo Hardy A1 Mike Daube YR 2021 UL http://tobaccocontrol.bmj.com/content/30/e1/e73.abstract AB