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. 2013 Nov 12;8(11):e79115. doi: 10.1371/journal.pone.0079115

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© 2013 Corwin 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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1. Determine radial measurements from serial T1Gd and T2/FLAIR magnetic resonance imaging. 2. Compute the invisibility index (D/ρ) from intra-study T1Gd and T2/FLAIR radial measurements. 3. Compute the radial velocity () from serial T1Gd or T2/FLAIR radial measurements.

Inline graphic — 1. Determine radial measurements from serial T1Gd and T2/FLAIR magnetic resonance imaging. 2. Compute the invisibility index (D/ρ) from intra-study T1Gd and T2/FLAIR radial measurements. 3. Compute the radial velocity () from serial T1Gd or T2/FLAIR radial measurements.