RT Article T1 Methadone dose levels and client characteristics in heroin addicts JF International journal of the addictions VO 22 IS 2 SP 187 OP 195 A1 Metzger, D. S. A2 Platt, J. S. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1633573834 K1 Methadonprogramm