TY - JOUR A1 - Kalkhoran, S.M. A1 - Levy, D.E. A1 - Rigotti, N.A. T1 - Smoking and e-cigarette use among U.S. adults during the COVID-19 pandemic Y1 - 2021 DO - 10.1016/j.amepre.2021.08.018 VL - 62 IS - 3 ER -