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. 2017 Aug 18;7:66. doi: 10.1186/s13550-017-0314-z

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 5 — Distribution volumes ratios (DVR) obtained with 2TCM plotted against those obtained with Logan ref, and corresponding Bland-Altman plots. DVRs from Logan ref. are: not corrected (a, d), corrected using measured values for α (b, e), and calculated values for α (c, f). Left column (a, b, c) shows [¹¹C]raclopride data, and right column (d, e, f) shows [¹⁸F]MNI-659 data