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. 2015 Jun 10;35(11):1703–1710. doi: 10.1038/jcbfm.2015.139

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Copyright © 2015 International Society for Cerebral Blood Flow & Metabolism, Inc.

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/

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Scatter plots of PET CBF and ASL CBF values. Scatter plot of the same data plotted by (A) global PET CBF by arterial input function (AIF) and global ASL CBF in mL/100 g per minute; baseline scans (dots) and acetazolamide scans (triangles). Tracking of seven individual piglets with different line types; line of identity (full line). (B) Logarithmic transformation of PET AIF CBF and ASL CBF; baseline scans (dots) and acetazolamide scans (triangles). Tracking of seven individual piglets in different line types; line of identity (full line). By logarithmic transformation, the distribution of CBF values along the line of identity was more even. ASL, arterial spin labeling; PET, positron emission tomography.