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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Neuroimage. 2011 Sep 8;59(3):2625–2635. doi: 10.1016/j.neuroimage.2011.08.077

Fig. 4.

Fig. 4

X-axis: Mean ± SD iron concentration (mg/100 g fresh weight) determined postmortem in each ROI (Hallgren and Sourander, 1958). Y- axis: Mean ± SD ℓ1-regularized QSM in ppm (left) and FDRI in s−1/Tesla (right) indices in all 23 subjects (black squares); the gray circles indicate the mean of the young group, and the open circles indicate the mean of the elderly group.