Complex Interventions and the Chamber of Secrets: Understanding why they Work and Why they do not

Oxman A.D. , Thomson M.A. , Davis D.A. , Haynes R.B. No magic bullets: a systematic review of 102 trials on interventions to improve professional practice. Can Med Assoc J 1995; 153: 1423–31

Grimshaw J.M. , Shirran L. , Thomas R. , Changing provider behavior: an overview of systematic reviews of interventions. Med Care 2001; 39(suppl 2): II2–45

Grimshaw J.M. , Thomas R.E. , MacLennan G. , Effectiveness and efficiency of guideline dissemination and implementation strategies. Health Technol Assess 2004; 8: 1–72

Davies P. , Walker A. , Grimshaw J. Theories of behavior change in studies of guideline implementation. Proc Br Psychol Soc 2003; 11: 120

Michie S. , Johnston M. , Abraham C. , Lawton R. , Parker D. , Walker A. , on behalf of the Psychological Theory Group. Making psychological theory useful for implementing evidence based practice: a consensus approach. Qual Saf Health Care 2005; 14: 26–33 [doi: 10.1136/qshc.2004.011155]