RT Book T1 Treating drug abusers effectively A2 Egertson, Joel A. LA English PP Malden, Mass. u.a. PB Blackwell YR 1997 ED 1. publ. UL https://krimdok.uni-tuebingen.de/Record/1619003848 CN 362.29/18 SN 1577180410 K1 Drogentherapie