Cigarette pack messages about toxic chemicals: a randomised clinical trial.

Noel T BrewerMichelle JeongJennifer R MendelMarissa G HallDongyu ZhangHumberto ParadaMarcella H BoyntonSeth M NoarSabeeh A BaigJennifer C MorganKurt M Ribisl

Published in: Tobacco control (2018)

NCT02785484.

Keyphrases

clinical trial
open label
double blind
phase ii
smoking cessation
study protocol
phase iii
randomized controlled trial