| Hans-Günter Meyer-Thompson | Methadon zur Substitution
Opioid tolerance in methadone maintenance treatment: comparison of methadone and levomethadone in long-term treatment
Gutwinski S, Schoofs N, Stuke H, Riemer TG, Wiers CE, Bermpohl F.
Harm Reduct J. 2016 Feb 16;13:7. doi: 10.1186/s12954-016-0095-0.