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. 2020 Aug 31;35(7):530–539. doi: 10.1089/cbr.2019.3554

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© Iain Murray et al. 2020; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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FIG. 7. — (A) Variation of acquired counts as a function of source to detector distance. (B) Estimated ²²⁷Th and ²²³Ra activity as a function of source to detector distance.