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IAEA/AAPM formalism
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Route 1
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Small static field dosimetry for machines that cannot
establish a conventional reference field
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Introducing the intermediate
machine-specific-reference
field (msr)
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Route 2
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Composite field dosimetry
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Introducing
msr and plan-class-specific reference field
(pcsr)
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The pcsr is a field that should be as close to a class of
clinical plans as possible, while generating a
homogeneous dose region “much” larger than the
sensitive volume of the detector