Marketing cigarettes when all else is unavailable: evidence of discounting in price-sensitive neighbourhoods
Suzan Burton, Kelly Williams, Rae Fry, Kathy Chapman, Greg Soulos, Anita Tang, Scott Walsberger, Sam Egger
Tobacco Control May 2014, 23 (e1) e24-e29; DOI: 10.1136/tobaccocontrol-2013-051286