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. 2012 Sep 27;20(2):298–304. doi: 10.1136/amiajnl-2011-000722

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A fragment of the XML schema defining the ISO/EN 13606 part of the reference model (extracted from Sun, Austin, and Kalra, in ISO EN 13606 part 1 XML form V.3, University College London, 2011, personal communication).¹¹ This figure is only reproduced in colour in the online version.