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. 2010 May 10;11(5):2097–2108. doi: 10.3390/ijms11052097

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© 2010 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 3. — Sketch of subregional topologies based on Figure 2. (a) sketch based on the 1976 dataset as in Figure 2a at the four terminal branches scale; (b) based on the 2007 dataset as in Figure 2b at the three terminal branches scale; (c) based on Figure 2a at the seven group scale; (d) based on Figure 2b at the five group scale.