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. 2015 Apr 24;10(4):e0118250. doi: 10.1371/journal.pone.0118250

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© 2015 Li et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 2 — The fractal dimension was shown in black and white images. The retinal vascular fractal dimension of Fig 2A and 2B were 1.0 Df and 1.4 Df, respectively. Compared with mother of Fig 2B, mother of Fig 2A showed a sparser retinal vascular fractal dimension.