Ghith, Nermin, Anne Birgitte Ammari, Mette Rasmussen, Anne Frølich, Katy Cooper, and Hanne Tønnesen. 2012. “Impact of Compliance on Quit Rates in a Smoking Cessation Intervention: Population Study in Denmark”. Clinical Health Promotion 2 (3):111-19. https://doi.org/10.29102/clinhp.12016.