Perez A, Kuk AE, Bluestein MA, Penedo E, et al. Prospective estimation of the age of initiation of cigarettes among young adults
(18-24 years old): Findings from the Population Assessment of Tobacco and Health
(PATH) waves 1-4 (2013-2017). PLoS One 2021;16:e0251246.
PMID: 33951097