RT Article T1 Effects of early, computerized brief interventions on risky alcohol use and risky cannabis use among young people JF Campbell Systematic Reviews VO 13 IS 1 SP 1 OP 195 A1 Smedslund, Geir A2 Wollscheid, Sabine A2 Fang, Lin A2 Nilsen, Wendy A2 Steiro, Asbjørn A2 Larun, Lillebeth LA English YR 2017 UL https://krimdok.uni-tuebingen.de/Record/1787778614 CN 360; 340 K1 Alkoholkonsum K1 Drogenkonsum K1 Jugend K1 Intervention K1 Auswirkung DO 10.4073/csr.2017.6