RT Article T1 Frequency of adolescent cannabis smoking and vaping in the United States: Trends, disparities and concurrent substance use, 2017-19 JF Addiction VO 117 IS 8 SP 2316 OP 2324 A1 Keyes, Katherine M. A1 Miech, Richard A1 Olfson, Mark A1 Martins, Silvia S. A1 Hasin, Deborah S. A1 Chen, Qixuan A1 Cerda, Magdalena A1 Ankrum, Hadley A1 Kreski, Noah T. A2 Miech, Richard A2 Olfson, Mark A2 Martins, Silvia S. A2 Hasin, Deborah S. A2 Chen, Qixuan A2 Cerda, Magdalena A2 Ankrum, Hadley A2 Kreski, Noah T. LA English YR 2022 UL https://krimdok.uni-tuebingen.de/Record/1912562243 DO 10.1111/add.15912