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Radiology, Vol 118, 226-228, Copyright © 1976 by Radiological Society of North America

ARTICLES

A collimator for reduced radiation dose with improved visualization of soft tissues

ML Freedman and SR Matteson

The authors describe a collimator for use in diagnostic radiology. Clinical radiographs show enhanced soft-tissue detail through the use of interchangeable straight and curved wedge filters, and in situ dosimetry using a head phantom shows that the provision for asymmetric beam limitation results in reduction of absorbed dose.




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