RT Article T1 Associations between early onset of e-cigarette use and cigarette smoking and other substance use among US adolescents: A national study JF Nicotine & tobacco research VO 20 IS 8 SP 923 OP 930 A1 McCabe, Sean Esteban A1 McCabe, Vita V. A1 West, Brady T. A2 McCabe, Vita V. A2 West, Brady T. LA English YR 2018 UL https://krimdok.uni-tuebingen.de/Record/1912464616 DO 10.1093/ntr/ntx231