A Web-based, computer-tailored smoking prevention program to prevent children from starting to smoke after transferring to secondary school: randomized controlled trial.
Henricus-Paul CremersLiesbeth MerckenMath J J M CandelHein de VriesAnke OenemaPublished in: Journal of medical Internet research (2015)
Netherlands Trial Register NTR3116; http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=3116 (Archived by WebCite at http://www.webcitation.org/6O0wQYuPI).