RT Article T1 Escalated substance use: a longitudinal grouping analysis from early to middle adolescence JF Journal of abnormal psychology VO 105 IS 2 SP 166 OP 180 A2 Vaccaro, Donato A2 Hirky, A. Elizabeth A2 McNamara, Grace LA English YR 1996 UL https://krimdok.uni-tuebingen.de/Record/1639935967 K1 Jugendliche K1 Drogenkonsum K1 Drogenmissbrauch K1 Vulnerabilität K1 Längsschnittstudie