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The advantage of X-ray sources based on Compton Back Scattering (CBS) processes is to be able to develop compact devices, which can produce an intense flux of monochromatic X-rays. CBS results from collisions between laser pulses and relativistic electron bunches. Due to the relative low value of the Compton cross section, an intense electron beam with a(More)
OBJECTIVES Improved brain uptake ratio (IBUR), employing (99m)Tc-ethyl cysteinate dimer ((99m)Tc-ECD), is an automatic non-invasive method for quantitatively measuring regional cerebral blood flow (rCBF). This method was developed by the reconstruction of the theory and linear regression equation, based on rCBF measurement by H2 (15)O positron emission(More)
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