Preliminary data now published Alfgeir Logi Kristjansson, West Virginia University 26 November 2015 The preliminary data that is briefly introduced and discussed in the commentary has now been published. The reference is: Kristjansson, A.L., Mann, M.J., Sigfusdottir, I.D. (2015). Licit and illicit substance use by adolescent e-cigarette users compared to conventional cigarette smokers, dual users, and non-users. Journal of Adolescent Health, 57, 562-564. Competing interests None declared
Preliminary data now published
26 November 2015
The preliminary data that is briefly introduced and discussed in the commentary has now been published. The reference is:
Kristjansson, A.L., Mann, M.J., Sigfusdottir, I.D. (2015). Licit and illicit substance use by adolescent e-cigarette users compared to conventional cigarette smokers, dual users, and non-users. Journal of Adolescent Health, 57, 562-564.
Competing interests
None declared