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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: J Magn Reson Imaging. 2011 Jan;33(1):225–231. doi: 10.1002/jmri.22428

Figure 2. MRA signal curves were obtained by placing ROIs on proximal artery (1), distal artery (2), proximal vein (3), and distal vein (4).

Figure 2

Transit times were determined by measuring the time between the peaks of proximal and distal ROIs