RT Journal Article SR Electronic T1 When the tax stamp covers the health warning label: conflicting ‘best practices’ for tobacco control policy JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 119 OP 120 DO 10.1136/tobaccocontrol-2016-053417 VO 27 IS 1 A1 Michael Iacobelli A1 Katherine Clegg Smith A1 Carmen Washington A1 Kevin Welding A1 Joanna E Cohen YR 2018 UL http://tobaccocontrol.bmj.com/content/27/1/119.abstract AB