Targeted smoking cessation for dual users of combustible and electronic cigarettes: a randomised controlled trial The Lancet Public Health PDF) Effects of providing tailored information about e cigarettes in a digital smoking cessation intervention: randomized controlled trial E cigarette cessation interest and quit attempts among young adults reporting exclusive e cigarette use or dual use with other tobacco products: How can we reach them? Beta testing the feasibility of a family based financial incentives smoking cessation intervention with Alaska Native families: Phase 2 of the Aniqsaaq (to breathe) Study ScienceDirect