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Correspondence
Authors' response
- Correspondence to Dr Joanne Callen, University of New South Wales, Centre for Health Systems and Safety Research, Faculty of Medicine, Kensington, Sydney, New South Wales 2052, Australia; j.callen{at}unsw.edu.au
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Publication history
- First published July 21, 2011.
Online issue publication
July 21, 2011
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© 2011, 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.