References

Health consequences of smoking 1–4 cigarettes per day

10.1136/tc.2005.011932 · 2005 · External reference

Transitions in smoking status over time in a population-based panel study of smokers

10.1093/ntr/nts259 · 2013 · External reference

Tobacco product use among middle and high school students—United States, 2011 and 2012

2013 · External reference

Nondaily smokers: who are they?

10.2105/ajph.93.8.1321 · 2003 · External reference

Variation in nicotine intake in U.S. cigarette smokers over the past 25years: evidence from NHANES surveys

10.1093/ntr/ntu120 · 2014 · External reference

Unresolved reference

2014 · External reference

Cigarettes smoked per day among high school students in the U.S., 1991–2009

10.1016/j.amepre.2011.05.018 · 2011 · External reference

Nondaily smoking: a population-based, longitudinal study of stability and predictors

10.1186/1471-2458-14-123 · 2014 · External reference

The natural history of light smokers: a population-based cohort study

10.1093/ntr/ntp011 · 2009 · External reference

Unresolved reference

2012 · External reference

Cigarette smoking: natural history of a dependence disorder

10.1111/j.2044-8341.1971.tb02141.x · 1971 · External reference

Nondaily and social smoking: an increasingly prevalent pattern

10.1001/archinternmed.2009.315 · 2009 · External reference

Health effects of light and intermittent smoking: a review

10.1161/circulationaha.109.904235 · 2010 · External reference

Smoking motives of daily and non-daily smokers: a profile analysis

10.1016/j.drugalcdep.2012.05.037 · 2012 · External reference

Key outcome indicators for evaluating comprehensive tobacco control programs

2005 · External reference