Fig. 3

a Example of grey-level patterns printed and associated PET image with ROIs, b average measured weight of deposited ink and associated standard deviations, c average ROI measured counts for printing with black ink and 18F-FDG
a Example of grey-level patterns printed and associated PET image with ROIs, b average measured weight of deposited ink and associated standard deviations, c average ROI measured counts for printing with black ink and 18F-FDG