Erbium filter in diagnostic radiology: calculations of contrast and patient mean ab­sorbed dose (original) (raw)

Erbium filter in diagnostic radiology: calculations of contrast and patient mean ab­sorbed dose

1989

Michael Sandborg

Abstract

Rare earth materials instead of aluminium as added filter have been reported to reduce the mean absorbed dose in the patient. With these filters, the energy spectrum can be shaped to yield high ene ...

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