RT Article T1 Ethnic differences in longitudinal patterns and consequences of narcotics addiction JF Journal of drug issues VO 28 IS 2 SP 495 OP 515 A1 Prendergast, M. L. A1 Hser, Y. I. A1 Gilrivas, V. LA English YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1639792716 K1 Drogenabhängige K1 Karriere K1 Methadonsubstitutionen