%0 Journal Article %J Nicotine & Tobacco Research %D 2021 %T Adult social environments and the use of combustible and electronic cigarettes: Opportunities for reducing smoking in the 30s %A Kosterman, Rick %A Epstein, Marina %A Bailey, Jennifer A. %A Oesterle, Sabrina %A Furlong, Madeline %A Hawkins, J D %B Nicotine & Tobacco Research %I Oxford University Press %V 23 %P 518-526 %G eng