%0 Journal Article %T Cigarette Smokers’ Use of Unconventional Tobacco Products and Associations With Quitting Activity: Findings From the ITC-4 U.S. Cohort %A Kasza, Karin A. %A Bansal-Travers, Maansi %A O’Connor, Richard J. %A Compton, Wilson M. %A Kettermann, Anna %A Borek, Nicolette %A Fong, Geoffrey T. %A Cummings, K. Michael %A Hyland, Andrew J. %J Nicotine and Tobacco Research %V 16 %N 6 %P 672-681 %@ 1462-2203 %D 2014-06-27 %I Oxford University Press %~ DeepDyve