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. 2018 Jul 24;45(9):e740–e760. doi: 10.1002/mp.13058

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© 2018 The Authors. Medical Physics published by Wiley Periodicals, Inc. on behalf of American Association of Physicists in Medicine.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Sub‐resolution sandwich phantom with radioactive paper sheets between each slab.41 Figure license: Negus, et al. #bib2016, Technical Note: Development of a 3D printed subresolution sandwich phantom for validation of brain SPECT analysis (Copyright by John Wiley and sons).