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. Author manuscript; available in PMC: 2021 Jan 18.
Published in final edited form as: Med Phys. 1989 Jan-Feb;16(1):66–74. doi: 10.1118/1.596404

Fig. 6.

Fig. 6

Spatial dependence of dose rates: An intercomparison between several radionuclides. 1 MBq each of 32P, 67Cu, 90Y, 111Ag, 131I, l88Re, and 193mPt is assumed to be uniformly distributed in a small tumor (radius, 0.05 cm). Note that the high-energy β emitters (32P and 90Y) are not as effective as the radionuclides with medium- and low-energy particulate emissions.