Small financial incentives increase smoking cessation in homeless smokers: a pilot study.
Businelle MS, Kendzor DE, Kesh A, Cuate EL, Poonawalla IB, Reitzel LR, Okuyemi KS, Wetter DW. Small financial incentives increase smoking cessation in homeless smokers: a pilot study. Addict Behav. 2014 Mar; 39(3):717-20.