A complex-difference phase-contrast tech
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Jason A. Polzin; Marcus T. Alley; Frank R. Korosec; Thomas M Gristn; Yi Wang; Ch
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Article
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1995
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John Wiley and Sons
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English
⚖ 805 KB
## Abstract Magnetic resonance (MR) phase‐difference methods work well for measuring volumetric flow rates when the vessel diameter is large compared with the in‐plane voxel dimensions. For small vessels (eg, coronary arteries), partial‐volume effects introduce substantial errors in the measured vo