Long-term e-cigarette use and smoking cessation: a longitudinal study with US populationFebruary 12, 2020February 12, 2020https://tobaccocontrol.bmj.com/content/25/Suppl_1/i90.fullLeave a Reply Cancel replyYour email address will not be published. Required fields are marked *Name * Email * Website Comment * Save my name, email, and website in this browser for the next time I comment. ΔThis site uses Akismet to reduce spam. Learn how your comment data is processed.