Effect of financial voucher incentives provided with UK stop smoking services on the cessation of smoking in pregnant women (CPIT III): pragmatic, multicentre, single blinded, phase 3, randomised controlled trial.
David Michael TappinLesley SinclairFrank KeeMargaret McFaddenLyn Robinson-SmithAlex MitchellAda KedingJudith WatsonSinead WatsonAlison DickDavid TorgersonCatherine HewittJennifer McKellPat HoddinottFiona M HarrisKathleen Anne BoydNicola McMeekinMichael UssherLinda BauldPublished in: BMJ (Clinical research ed.) (2022)
ISRCTN Registry ISRCTN15236311.