Wiley, Medical Physics, 8(38), p. 4546-4555, 2011
DOI: 10.1118/1.3592933
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Purpose: The purpose of this study was to develop and validate a mathematical model to describe narrow-beam attenuation of kilovoltage x-ray beams for the intended applications of half-value layer (HVL) and quarter-value layer (QVL) estimations, patient organ shielding, and computer modeling.