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Figure 6. Phase contrast images of a 1-month-old male mouse imaged at 33 keV. (a) Propagation-based imaging (PBI) with l2=4.26 m. Image size: 95.93 mm x 32.22 mm. Black region of interest (ROI): 300 x 300 pixels. White ROI: 100 x 100 pixels. Exposure time: 5.0 s. Surface entrance dose: 8.6±0.3 mGy. (b) Analyser-based imaging (ABI) image of the same mouse. Image size: 47.16 mm x 20.00 mm. Black ROI: 300 x 300 pixels. White ROI: 100 x 100 pixels. Exposure time: 0.5 s. Surface entrance dose: 0.91±0.03 mGy. (c, d) Magnified segments of the lung from (a) and (b), respectively.
