Cigarette pack size and consumption: a randomized cross-over trial.
Ilse LeeAnna K M BlackwellAlice HobsonDanielle WiggersDavid HammondKatie De-LoydeMark A PillingGareth J HollandsMarcus R MunafoTheresa M MarteauPublished in: Addiction (Abingdon, England) (2022)
Smoking from packs of 20 compared with 25 cigarettes reduced the number of cigarettes smoked per day.