1. Banerjee, S., Clancy, C. and Crome, I. (2002), Co‐existing Problems of Mental Disorder and Substance Misuse (dual diagnosis) An Information Manual, The Royal College of Psychiatrists' Research Unit, London.
2. Bellack, A., Bennett, M. and Gearon, J. (2007), Behavioural Treatment of Substance Abuse in People with Serious and Persistent Mental Illness: A Handbook for Mental Health Professionals, Routledge, New York, NY.
3. Bellack, A., Bennett, M., Gearon, J., Brown, C.H. and Yang, Y. (2006), “A randomized clinical trial of a new behavioral treatment for drug abuse in people with severe and persistent mental illness”, Archives of General Psychiatry, Vol. 63, pp. 426‐32.
4. Bloomfield, S. and Tighe, J. (2009), “The use of sniffer dogs on mental health wards”, Advances in Dual Diagnosis, Vol. 2 No. 2, pp. 30‐4.
5. Camden and Islington Mental Health and Social Care Trust (2008), Use of Drug Dogs Monitoring Report – December 2007, CIMHSCT, London.