The Authors' reply
Heart (British Cardiac Society), 2011-03, Vol.97 (6), p.515 [Peer Reviewed Journal]Copyright: 2011 (c) 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. ;ISSN: 1355-6037 ;EISSN: 1468-201X ;DOI: 10.1136/hrt.2010.221093
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