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Fig. 3 —Tube current generated at each slice level for each scanning
paradigm: z-axis Auto mA (GE Healthcare) tube current modulation,
shield present in scout image (purple); z-axis Auto mA tube
current modulation, shield placed after scout image was obtained
(green); fixed tube current (65 mA) scanning (orange). Slice
thickness was 5 mm. White rectangle indicates location of shield.