E-cigarette use and smoking reduction or cessation in the 2010/2011 TUS-CPS longitudinal cohort
BMC Public Health (2016) - Comments
pubmed: 27769302  doi: 10.1186/s12889-016-3770-x  issn: 1471-2458 

Yuyan Shi, John P. Pierce, Martha White, Maya Vijayaraghavan, Wilson Compton, Kevin Conway, Anne M. Hartman, Karen Messer