RT Article T1 Breath of program and outcome effectiveness in drug abuse prevention JF American behavioral scientist VO 39 IS 7 SP 884 OP 896 A1 Johnson, C. A. A1 Mackinnon, D. P. A1 Pentz, M. A. LA English YR 1996 UL https://krimdok.uni-tuebingen.de/Record/1639329986 K1 Drogenprävention K1 Evaluation