PT - JOURNAL ARTICLE AU - Ilies, Bogdan Dragos AU - Moosakutty, Shamjad P AU - Kharbatia, Najeh M AU - Sarathy, S Mani TI - Expression of concern: Identification of volatile constituents released from IQOS heat-not-burn tobacco HeatSticks using a direct sampling method AID - 10.1136/tobaccocontrol-2019-055521 DP - 2020 May 26 TA - Tobacco Control PG - tobaccocontrol-2019-055521 4099 - http://tobaccocontrol.bmj.com/content/early/2020/12/16/tobaccocontrol-2019-055521.short 4100 - http://tobaccocontrol.bmj.com/content/early/2020/12/16/tobaccocontrol-2019-055521.full