- Correspondence to: R Vos Health Ethics and Philosophy, Department of Health Care Studies, Faculty of Health Sciences, University of Maastricht, PO Box 616, 6200 Maastricht, The Netherlands;
- Received 21 November 2003
- Accepted 27 November 2003
- Published in print 1 April 2004.
- Published online 13 April 2004.
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