Is dual use of nicotine products and cigarettes associated with smoking reduction and cessation behaviors? A prospective study in EnglandApril 1, 2020April 1, 2020https://bmjopen.bmj.com/content/10/3/e036055.fullLeave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website 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.