- Correspondence to Dr Colette M Reid, Department of Palliative Medicine, Bristol Haematology and Oncology Centre, University Hospitals Bristol NHS Foundation Trust, Horfield Road, Bristol BS2 8ED, UK;
- Received July 10, 2012
- Revision received December 3, 2012
- Accepted January 21, 2013
- First published February 18, 2013.
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