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Hale J, Bloch P. Step-wedge sensitometry. Radiology. 1978;128(3):820-1doi: 10.1148/128.3.820.
Hale, J., & Bloch, P. (1978). Step-wedge sensitometry. Radiology, 128(3), 820-1. https://doi.org/10.1148/128.3.820
Hale, J, and Bloch, P. "Step-wedge sensitometry." Radiology vol. 128,3 (1978): 820-1. doi: https://doi.org/10.1148/128.3.820
Hale J, Bloch P. Step-wedge sensitometry. Radiology. 1978 Sep;128(3):820-1. doi: 10.1148/128.3.820. PMID: 674670.
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Radiology. 1978 Sep;128(3):820-1. doi: 10.1148/128.3.820.

Step-wedge sensitometry.

Radiology

J Hale, P Bloch

PMID: 674670 DOI: 10.1148/128.3.820

Abstract

An aluminum step-wedge filter placed far from the film cassette provides the constant variation of subject contrast required for quantitative sensitometry while virtually eliminating scatter radiations. Attenuation curves made with this configuration are almost exponentially linear.

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