Oberg, D and Sallmen, B and Kaplan, C and McMurphy, S and Ackerson, T and Krantz, L and Martens, P and Schlyter, F and Turner, T (1998) Addiction Severity Index – crime. Outcomes measurement tool: personal circumstances & needs – criminal activity; drug use behaviour - substance use / maintenance / relapse.

Fry, C and Rumbold, G and Lintzeris, N (1998) Blood borne virus transmission risk. Outcomes measurement tool: drug use behaviour – safer use.

Christo, George (1998) Christo Inventory for Substance-misuse Services. Outcomes measurement tool: drug use behaviour - substance use / maintenance / relapse.

Marsden, John and Gossop, Michael and Stewart, Duncan and Best, David and Farrell, Michael and Strang, John (1998) Maudsley Addiction Profile. Outcomes measurement tool: drug use behaviour - substance use / maintenance / relapse.