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(a) X-ray images of flat PCL tiles coated with 15% BaSO4 and 5% PCL, 20% BaSO4 and 5% PCL, 20% BaSO4 and 10% PCL, and 30% BaSO4 and 10% PCL; (b) average peak intensity of coated PCL tiles with ± 1 standard error bars; and (c) PCL FDS ends coated with 30% BaSO4 and 10% PCL.
