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  Indian J Med Microbiol
 

Figure 9: Contrast recovery coefficient calculated over region of interests in central slice encompassing the four sources in cylindrical phantom as a function of source diameter. The plots refer to images with source-to-background ratio 2:1 (a) and 8:1 (b)

Figure 9: Contrast recovery coefficient calculated over region of interests in central slice encompassing the four sources in cylindrical phantom as a function of source diameter. The plots refer to images with source-to-background ratio 2:1 (a) and 8:1 (b)