RT Article T1 Do increased levels of drug abuse treatment lead to fewer drug-related problems? JF American journal of drug and alcohol abuse VO 23 IS 3 SP 421 OP 429 A1 Smart, R. G. A1 Mann, R. A1 Suurvali, H. LA English YR 1997 UL https://krimdok.uni-tuebingen.de/Record/1639878009 K1 Drogentherapie