Costs of vaping: evidence from ITC Four Country Smoking and Vaping Survey
Kai-Wen Cheng, Ce Shang, Hye Myung Lee, Frank J Chaloupka, Geoffrey T Fong, Ron Borland, Bryan W Heckman, Sara C Hitchman, Richard J O'Connor, David T Levy, K. Michael Cummings
Tobacco Control Jan 2021, 30 (1) 94-97; DOI: 10.1136/tobaccocontrol-2019-055344
