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Correspondence
Authors' response
- Correspondence to Dr Anna Rich, Department of Respiratory Medicine, Nottingham University Hospitals, David Evans building, City campus, NG5 1PB, Nottingham, UK; anna.rich{at}nottingham.ac.uk
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Authors' response
Publication history
- Accepted January 20, 2012
- First published February 14, 2012.
Online issue publication
September 07, 2012
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© 2012, Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.