Effect of unguided e-cigarette provision on uptake, use, and smoking cessation among adults who smoke in the USA: a naturalistic, randomised, controlled clinical trial
Effect of unguided e-cigarette provision on uptake, use, and smoking cessation among adults who smoke in the USA: a naturalistic, randomised, controlled clinical trial
Authors
Matthew J. Carpenter, Amy E. Wahlquist, Jennifer Dahne, Kevin M. Gray, K. Michael Cummings, Graham Warren, Theodore L. Wagener, Maciej L. Goniewicz, Tracy T. Smith