Cite
MLA Citation
Kelvin Choi et al.. “Receipt of tobacco direct mail/email discount coupons and trajectories of cigarette smoking behaviours in a nationally representative longitudinal cohort of US adults.” Tobacco control, vol. 28, no. 3, 2019, pp. 282–288. http://access.bl.uk/ark:/81055/vdc_100135166693.0x000019