1. American Psychiatrie Association (1987) Diagnostic and Statistical Manual of Mental Disorders, 3rd edn, revised (DSM III-R). Washington, DC: APA.
2. Bynoe, I. (1992) Treatment Care and Security. Waiting for Change. London: MIND.
3. Coid, J. and Kahtan, N. (in press) A Measure of the Security Needs of Patients Admitted to Medium Security: Preliminary Findings. Journal of Forensic Psychiatry.
4. Department of Health (1992) Report of the Committee of Inquiry into Complaints about Ashworth Hospital, Vois I and II. London: HMSO.
5. Department of Health and the Home Office (1994) Report of the Review of High Security Services. London: HMSO.