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Research Article

Evaluating substance misuse interventions in psychosis: The limitations of the RCT with 'patient' as the unit of analysis

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Pages 585-587 | Published online: 06 Jul 2009

References

  • Campbell, M. & Grimshaw, J. (1998). Cluster randomised trials: Time for improvement. British Medical Journal, 317, 1171–1172.
  • Flay, B. (1986). Efficacy and effectiveness trials (and other phases of research) in the development of health promotion programs. Preventive Medicine, 15, 451–474.
  • Ley, A., Jeffrey, D., McLaren, S. & Siegfried, N. (2001). Treatment programmes for people with both severe mental illness and substance misuse. The Cochrane Library [4]. Oxford, Update Soft-ware.

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