[DOI] [PMC free article] [PubMed] [Google Scholar] 36.Kim T., et al
A number of models have been developed to assess the extent of bias resulting from the misclassification of active smokers as lifetime nonsmokers (USEPA 1992
Pro Int Fire Saf 34:146173 International Standard Organisation (2009) ISO 2965: Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having a discrete or oriented permeable zone and materials with bands of differing permeabilityDetermination of air permeability
In addition, they examined any group differences in the time it took to relapse for cigarette smoking, defined as 7 straight days of smoking or weekly or greater smoking for 2 consecutive weeks
Without smoke or vapor, there is no exposure to combustion byproducts, propylene glycol, or heated flavoring chemicals