RT Article T1 Developmental and gender differences in drug use and problem behaviour during adolescence JF Journal of child & adolescent substance abuse VO 3 IS 3 SP 75 OP 81 A1 Gfellner, B. M. A2 Hundleby, J. D. LA English YR 1994 UL https://krimdok.uni-tuebingen.de/Record/1639408088 K1 Jugendliche K1 Drogenkonsum