1. Consequences and costs of shutting off methadone;Anglin;Addict Behav.,1989
2. The cost-effectiveness of methadone maintenance;Barnett;Mt Sinai J. Med.,2000
3. Belenko, S., Patapis, N., French, M.T., 2005. Economic benefits of drug treatment: a critical review of the evidence for policy makers. Treatment Research Institute, University of Pennsylvania Philadelphia http://www.tresearch.org/resources/specials/2005Feb_EconomicBenefits.pdf, last accessed 20 December, 2004.
4. High dose methadone reduces criminal recidivism in opiate addicts;Bellin;Addict Res.,1999
5. Retention in methadone maintenance and heroin addicts’ risk of death;Caplehorn;Addiction,1994