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Radiology, Vol 128, 485-489, Copyright © 1978 by Radiological Society of North America
ARTICLES |
P Fessenden, BB Palos and CJ Karzmark
The skin-sparing effect of megavoltage photons is lost to a varying extent when tangential beams are used to irradiate the chest wall. The skin dose for this technique, with and without a bolus, was investigated for 4- and 6-MV photons using film, thermoluminescent dosimeters, and an ionization chamber. Metal/tissue interface effects were observed when a flexible brass fabric material was used as a bolus.
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