Derek A Pope, Lindsey Poe, Jeffrey S Stein, Brent A Kaplan, William B DeHart, Alexandra M Mellis, Bryan W Heckman, Leonard H Epstein, Frank J Chaloupka, Warren K Bickel
Nicotine Tob Res. 2020 May; 22(5): 782–790. Published online 2019 Jul 27. doi: 10.1093/ntr/ntz116