| Hans-Günter Meyer-Thompson | Morphin ret.
Mental symptoms and drug use in maintenance treatment with slow-release oral morphine compared to methadone: results of a randomized crossover study.
Mental symptoms and drug use in maintenance treatment with slow-release oral morphine compared to methadone: results of a randomized crossover study. Verthein U, Beck T, Haasen C, Reimer J. Eur Addict Res. 2015;21(2):97-104. doi: 10.1159/000368572. Epub 2014 Nov 22.