The influence of inhomogeneities, particularly in the thoracic cavity, on the dose and its distribution with high energy (60Co γ rays) is considered. The use of transit dose measurements for correcting dosage is described and the results of measurements in heterogeneous media are presented and applied to the problem, with particular reference to scattered radiation. The energy absorbed (rads) and its distribution may readily be assessed for stationary fields, as well as for partial and complete rotation therapy.
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T. E. Burlin (1957) studied this question.
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