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. 2015 Mar 8;16(2):366–375. doi: 10.1120/jacmp.v16i2.5213

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© 2015 The Authors.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Relative pixel values in ROIs when measured values for image lag are subtracted from the variation according to calculations. $Phantom thickness = 20 cm$ . Comparison of signal movement speed expressed as only the difference from measured forced image lag.