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Title: Calibration; MRI
Description: Phannie is the first 'phantom' for calibrating magnetic resonance imaging (MRI) machines that is traceable to standardized values. The plastic sphere is about the size of a person's head and filled with 100 smaller spheres used as contrast-enhancing agents and measurement reference markers. NIST researchers in Boulder, Colo., built Phannie and tested it on an MRI scanner at the University of Colorado Brain Imaging Center.


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Subjects (names):
Topics/Categories: Electronics--Electromagnetics
Type: Photo/Color
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
Credit: S. Russek/NIST
AV Number: 10EEL008
Date Created: 2010
Date Entered: 5/11/2010

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