- Correspondence to Stephen J Fowler, Lecturer and Honorary Consultant in Respiratory Medicine, University of Manchester and Lancashire Teaching Hospitals NHS Foundation Trust, Respiratory Research Group, Education and Research Centre, Wythenshawe Hospital, Southmoor Road, Manchester M23 9LT, UK;
- Received December 7, 2010
- Accepted May 27, 2011
- First published July 11, 2011.
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