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History
- Published online August 1, 2012.
Copyright & Usage
© British Journal of General Practice 2012
Author Information
- Martin Marshall, Professor of Healthcare Improvement
- University College London, London
- ADDRESS FOR CORRESPONDENCE Martin Marshall
Improvement Science London, UCL Department of Applied Health Research, 3rd Floor, 170 Tottenham Court Road, London, W1T 7HA, UK. E-mail: martin.marshall{at}islondon.org