Introduction: The use of gafchromic films is nowadays essential in radiotherapy. EBT3, which have
succeeded to EBT and EBT2, are the subject of this work. Previous studies (1-2) have
notably focused on new calibration methods: rational functions (3) and use of the
three colors (4). These methods are discussed here in order to determine the most
effective way for establishing a single calibration curve used for routine measurements
of doses ranging from 0 to 8.5 Gy/fraction.
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© 2014 Published by Elsevier Inc.