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Phantom images from the reference scanner using the ALADA dose reference protocol at 2.66 mGy. A - Line-pair insert, showing four lp mm-1. B and C - Contrast-to-noise ratio insert hydroxyapatite (HA) 100 mg cm-3. D-F - Contrast resolution insert HA 100 mg cm-3, showing scores of 3/5 for FBP standard kernel, and 4/5 for both VEO standard and VEO NR40.
