The effects of the European e-cigarette health warnings and comparative health messages on non-smokers' and smokers' risk perceptions and behavioural intentions.
Catherine KimberDaniel FringsSharon CoxIan AlberyLynne DawkinsPublished in: BMC public health (2018)
ISRCTN registry ISRCTN76967031 ; date of registration: 23/10/18.