Krebs, N. M., Allen, S. I., Veldheer, S., Martinez, D. J., Horn, K., Livelsberger, C., . . . Muscat, J. E. (2017). Reduced nicotine content cigarettes in smokers of low socioeconomic status: Study protocol for a randomized control trial. Trials.
Chicago ZitierstilKrebs, Nicolle M., et al. "Reduced Nicotine Content Cigarettes in Smokers of Low Socioeconomic Status: Study Protocol for a Randomized Control Trial." Trials 2017.
MLA ZitierstilKrebs, Nicolle M., et al. "Reduced Nicotine Content Cigarettes in Smokers of Low Socioeconomic Status: Study Protocol for a Randomized Control Trial." Trials 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.