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Health Physics:
doi: 10.1097/HP.0b013e31829eff13
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Historical Review of Lung Counting Efficiencies for Low Energy Photon Emitters

Jeffers, Karen L.; Hickman, David P.*

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Abstract

This publication reviews the measured efficiency and variability over time of a high purity planar germanium in vivo lung count system for multiple photon energies using increasingly thick overlays with the Lawrence Livermore Torso Phantom. The measured variations in efficiency are compared with the current requirement for in vivo bioassay performance as defined by the American National Standards Institute Standard in ANSI Standard N13.30.Health Phys. 106(3):000-000; 2014

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