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This study used a standard commercial electronic portal imaging device (EPID) area detector attached to an isocentric linear accelerator and the Feldkamp algorithm to produce cone beam tomographic reconstructions. The EPID has a active area of 32.5 x 32.5 cm2, and can record 12-bit images using two monitor units (MU), with a resolution of 2.1 x 2.0 mm2(More)
  • J Dudson
  • Australasian physical & engineering sciences in…
  • 1994
A recently introduced Agfa film-screen combination used for mammography was compared with a widely used Kodak film-screen combination. This comparison involved evaluating the image quality and calculating a reference mean glandular dose for a breast phantom recommended by the ACPSEM. The image quality and dose were evaluated for a grid and non-grid(More)
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