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. 2012 Mar 2;2(2):e000725. doi: 10.1136/bmjopen-2011-000725

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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.

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Comparison between the external aortic root support (EARS) patients (boxes) and comparison group (circles) for (A) age at operation and (B) aortic diameter preoperation. The vertical bars denote the medians and the boxes indicate the IQRs.