RT Article T1 Effects of chronic treatment with methadone and maltrexone on sleep in addicts JF European archives of psychiatry + clinical neuroscience VO 246 IS 6 SP 305 OP 309 A1 Staedt, Jürgen LA English YR 1996 UL https://krimdok.uni-tuebingen.de/Record/163918726X K1 Somatische Auswirkungen K1 Methadonbehandlung