RT Article T1 Comparison of buprenorphine and methadone maintenance in opiate addicts JF European addiction research VO 4 IS 1 SP 3 OP 7 A2 Kasper, S. A2 Fischer, G. A2 Gombas, W. A2 Jagsch, R. A2 Stühlinger, G LA English YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1639794948 K1 Drogensubstitution K1 Buprenorphin K1 Methadonsubstitution DO 10.1159/000052034