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. Author manuscript; available in PMC: 2010 May 11.
Published in final edited form as: Radiother Oncol. 2009 Aug 18;93(1):1–7. doi: 10.1016/j.radonc.2009.07.012

Fig. 4.

Fig. 4

Uniformity Index (UI) for two devices over a period of 16 months (10 measurements each for 6–7 weeks for each device). Protocols used for the CT and CBCT at linac were head protocol and high-quality protocol without bow-tie filter (D).