Mohammadi, Mohammad2011-05-132011-05-132006http://hdl.handle.net/2440/63566Electronic Portal Imaging Devices (EPIDs) can be used for dosimetric purposes, provided that an appropriate dosimetric calibration is used. However, in most studies published so far, transmitted dose maps, measured using EPIDs, are used under limited conditions only and further investigation is required for more complex conditions.diagnostic imaging; radiotherapyThesis20101111145302