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Table 7: Measured depth dose distribution of rectangular fi eld 4×2 cm and equivalent circular fi eld r=1.4 cm and equivalent square field 2.5×2.5 cm for15 MeV

Table 7: Measured depth dose distribution of rectangular fi eld 4×2 cm and equivalent circular fi eld r=1.4 cm and equivalent square field 2.5×2.5 cm for15 MeV