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. 2018 May 24;13(5):e0196998. doi: 10.1371/journal.pone.0196998

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© 2018 Alhamami 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 credited.

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Fig 3 — (a) A quantitative map of T₁ relaxation times of CA cellular retention pellets imaged 24–27 hrs post-cell labelling. (b) T₁ relaxation times of CA cellular retention pellets. Shown are mean values ± standard deviation from all the pixels within each ROI in Fig 3A. *Indicates significant difference (P < 0.05) from MnTPPS₄.** Indicates significant difference (P < 0.05) from Gd-DTPA.