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Figure 7
CTDI ratios for 4.0 T without (dotted) and 3.0 T with beam shaping filter (solid lines and points), versus medical CT with head (H) and body (B) bow-tie filters: (a) peripheral, (b) central to CTDI in air, (c) central to peripheral CTDI, and (d) volumetric to CTDI in air. For meaningful comparison, CTDI in air values are adjusted to include attenuation by a minimum of 10 mm PMMA filter thickness.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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