Advisory Council on the Misuse of Drugs (1982) Treatment and Rehabilitation. London: HMSO.
Chitwood, D. D., Clyde, B., McCoy, J. A., et al (1990) HIV-seropositivity of needles from shooting galleries in south Florida. American Journal of Public Health, 80, 150–152.
Darke, S., Hall, W., Wodak, A., et al (1992) Development and validation of & multi-dimensional instrument for assessing outcome of treatment among opiate users: the Opiate Treatment Index. British Journal of Addiction, 87, 733–742.
Derogatis, L. (1975) Brief Symptom Inventory. Baltimore, MD: Clinical Psychometric Research.
Garfein, R. S., Vishov, D., Galai, M. C., et al (1996) Viral infections in short-term injection drug users: The prevalence of the hepatitis C, B, Human immunodeficiency, and human T-Lymphotropic viruses. American Journal of Public Health, 84, 655–661.
Gossop, M., Darke, S., Griffiths, P., et al (1995) The Severity of Dependence Scale (SDS): psychometric properties of the SDS in English and Australian samples of heroin, cocaine and amphetamine users. Addiction, 90, 607–614.
Gossop, M., Griffiths, P., Powis, B., et al (1997) Continuing drug risk behaviour: shared use of injecting paraphernalia among London heroin injectors. AIDS Care. 9, 6S1–660.
Groves, P., Heuston, J., Durand, M. A., et al (1994) The identification and management of substance misuse problems by general practitioners. Journal of Mental Health. 5, 183–193.
Institute of Medicine (1995) Federal Regulation of Methadone Treatment. Washington, DC: National Academy Press.
King, L. (1997) Drug content of powders and other illicit preparations in the UK. Forensic Science International, 85, 135–147.
Kleinman, P. H., Goldsmith, D. S., Friedman, S. R., et al (1990) Knowledge about and behaviours affecting the spread of AIDS: & street survey of intravenous drug users and their associates in New York. International Journal of the Addictions, 15, 345–361.
Marsdan, J., Gossop, M., Stewart, D., et al (1998) The Maudsley Addiction Profile (MAP): & brief instrument for assessing treatment outcome. Addiction, in press.
Medical Working Group on Drug Dependence (1984) Guidelines of Good Clinical Practice in the Treatment of Drug Misuse. Report of the Medical Working Group on Drug Dependence. London: DHSS.
Ross, M. W., Wodak, A., Stawe, A., et al (1994) Explanations for sharing injection equipment in injecting drug users and barriers to safer drug use. Addiction. 89, 473–479.
Royal College of Psychiatrists (1986) Alcohol: Our favourite Drug. London: Tavistock.
Setts, S. B. (1981) Follow-up and treatment outcome. In Substance Abuse: Clinical Problems and Perspectives (eds Lawinson, G. & Ruiz, P.), pp. 783–800. Baltimore, MD and London: Williams and Wilkins.
Simpson, D. D. (1997) Effectiveness of drug-abuse treatment: & review of research from field settings. In Treating Drug Abusers Effectively (eds Egertson, J., Fox, D. & Leshner, A.), pp 41–73. Oxford: Blackwell.
Spencer, K. (1988) Analytical reviews in clinical biochemistry: the estimation of Creatinin. Annals of Clinical Biochemistry, 23, 1–25.
Stimson, G. (1996) Has the UK averted an epidemic of HIV–1 infection among drug injectors?
Addiction. 91, 1085–1088.
Strang, J., Griffiths, P., Gossop, M., et al (1994) Survey of the use of injected benzodiazepines among drug users in Britain. British Medical Journal, 308, 1082.
Tantam, D., Donmall, M., Webster, A., et al (1993) Do general practitioners and general psychiatrists want to look after drug misusers? Evaluation of & non-specialist treatment policy. British Journal of General Practice, 43, 470–474.
Wells, B. (1994) Narcotics Anonymous (NA) in Britain. In Heroin Addiction and Drug Policy: The British System (eds Strang, J. & Gossop, M.), pp 240–247. Oxford: Oxford University Press.