RT Article T1 Marijuana use among youth - Epidemiologic evidence from the US and other nations JF School psychology international VO 20 IS 1 SP 9 OP 21 A1 Kingery, Paul M. A2 Alford, Aaron A. A2 Coggeshall, Mark B. LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/1639790853 K1 Jugendliche K1 Marihuanakonsum