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. 2015 Apr 13;10(4):e0123044. doi: 10.1371/journal.pone.0123044

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© 2015 Tietze 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 3 — Scatterplots showing the very weak correlation of rCBV and rCTH in (A) the enhancing tumor (R² = 0.01; p = 0.41) and (B) the peri-focal edema (R² = 0.06; p = 0.05), suggesting that they provide different information. Mean values for each patient are plotted. High-grade gliomas are marked with blue, low-grade gliomas with red.