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# Katheryn Keenan

## Appears In

                        - Measuring Up: The Phantom of the Library

NIST engineer Kathryn Keenan opens an MRI system phantom used for calibrating MRI machines that is traceable to standardized values. The phantom is filled with small plastic containers of various salt solutions that mimic tissues of the human body.

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### NIST Individuals in Image

Kathryn Keenan

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