Switching to cigarette brand variants with different filter ventilation levels: a descriptive analysis
Dana Mowls Carroll, Katelyn Tessier, Xianghua Luo, Irina S Stepanov, Peter G Shields, Richard O'Connor, Vaughan W Rees, Michael Cummings, Warren Bickel, Dorothy Hatsukami
Tobacco Control Jan 2023, tobaccocontrol-2022-057571; DOI: 10.1136/tc-2022-057571