1. Prevalence of antibodies to hepatitis B, hepatitis C, and HIV and risk factors in Irish prisoners: Results of a national cross sectional survey;Allwright;British Medical Journal,2000
2. The effectiveness of methadone maintenance treatment: Patients, programs, services and outcomes;Ball,1991
3. High dose methadone reduces criminal recidivism in opiate addicts;Bellin;Addiction Research,1999
4. Bertram, S. (1991). Results of Gaols Urinalyses Update: July–December 1989. Evaluation of NSW Department of Corrective Services Pre-release Methadone Program. Study No. 10. Research and Statistics Division: NSW Department of Corrective Services.
5. Bertram, S., & Gorta, A. (1990a). Views of recidivists released after participating in the NSW prison methadone program and the problems they faced in the community. Evaluation of the NSW Department of Corrective Services Prison Methadone Program. Study No. 8. Research and Statistics Division: NSW Department of Corrective Services, Publication no. 21.