RT Article T1 Revisiting the effectiveness of methadone treatment on crime reductions in the 1990s JF Journal of substance abuse treatment VO 16 IS 4 SP 329 OP 335 A1 Rothbard, A. LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/1639536507 K1 Evaluation K1 Methadonprogramm