PT - JOURNAL ARTICLE AU - Eric C Leas AU - Joanna E Cohen AU - John W Ayers TI - A Philip Morris advertisement for its heated tobacco product IQOS sets a troubling precedent AID - 10.1136/tobaccocontrol-2019-055363 DP - 2020 Dec 01 TA - Tobacco Control PG - e168--e170 VI - 29 IP - e1 4099 - http://tobaccocontrol.bmj.com/content/29/e1/e168.short 4100 - http://tobaccocontrol.bmj.com/content/29/e1/e168.full SO - Tob Control2020 Dec 01; 29