NHS Centre For Reviews and Dissemination (2001) Scoping Review of the Effectiveness of Mental Health Services
. University of York: NHS Centre for Reviews and Dissemination.
Richardson, A., Baker, M., Burns, T., et al (2000) Reflections on methodological issues in mental health research. Journal of Mental Health, 9, 463–470.
Thornicroft, G., Bindman, D., Goldberg, K., et al (2002) Creating the infrastructure for mental health research. Psychiatric Bulletin, 26, 403–406.
Ukoumunne, O. C., Gulliford, M. C., Chinn, S., et al (1999) Methods in health service research. Evaluation of health interventions at area and organisational level. BMJ, 319, 376–379.