RT Article T1 Prevalence and demographic factors of stimulant use JF Addiction VO 89 IS 11 SP 1385 OP 1389 A1 Pickering, H. A1 Stimson, G. V. LA English YR 1994 UL https://krimdok.uni-tuebingen.de/Record/1639418202 K1 Drogenkonsum K1 International