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. 2011 Oct 19;1(2):e000139. doi: 10.1136/bmjopen-2011-000139

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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.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

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Prevalence of myocardial perfusion abnormalities and asymptomatic coronary heart disease (CHD) (A). Prevalence of asymptomatic CHD for each of the vascular complications (B). Prevalence of asymptomatic CHD in patients with ischaemia or scar (C). Coronary artery calcium (CAC) scores in patients with or without asymptomatic CHD (D). PAD, peripheral arterial disease; PDR, proliferative diabetic retinopathy.