RT Article T1 Failed attempts to quit combustible cigarettes and e-cigarettes among US adolescents JF The journal of the American Medical Association VO 327 IS 12 SP 1179 OP 1181 A1 Miech, Richard A2 Barrington-Trimis, Jessica L. A2 Johnston, Lloyd D. A2 O'Malley, Patrick M. A2 Leventhal, Adam M. LA English YR 2022 UL https://krimdok.uni-tuebingen.de/Record/1912554569 DO 10.1001/jama.2022.1692