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Figure 1: Diagram showing the source and the point of interest P(r, ϑ) for short 125I seed. r0 = 1 cm and ϑ0 = 0º denote the reference distance and angle, respectively

Figure 1: Diagram showing the source and the point of interest <i>P(r,</i> ϑ<i>)</i> for short 125<i>I</i> seed. <i>r</i><sub>0</sub> = 1 cm and ϑ<sub>0</sub> = 0º denote the reference distance and angle, respectively