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Figure 7: Observed differences in gamma passing (%) between daily and reference measurements using (a) electronic portal imaging device, (b) MapCheck2, and c) ArcCheck, with respect to each nasopharynx carcinoma case

Figure 7: Observed differences in gamma passing (%) between daily and reference measurements using (a) electronic portal imaging device, (b) MapCheck2, and c) ArcCheck, with respect to each nasopharynx carcinoma case