The Influence of the Cassette Front on Patient Radiographic Exposure

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The influence of the cassette front, stated in aluminum equivalence at 60 and 100 kVp, has been studied using six commercially available cassettes, a chest test phantom, and a general radiographic test phantom developed in this laboratory. The effect on exposure of the aluminum equivalence of the cassette front is quite pronounced in those techniques where no grid is used. The influence on exposure is less pronounced when a grid is used.

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