- Correspondence to: Dr M Epstein Academic Unit for Human Science and Medical Ethics Institute of Health Sciences Education, Centre for Health Sciences, Queen Mary’s School of Medicine and Dentistry, Turner Street, London E1 2AD, UK;
- Received June 8, 2006
- Accepted July 24, 2006
- Revised July 21, 2006
- First published July 30, 2007.
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