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. 2013 Dec 30;118:403–418. doi: 10.6028/jres.118.021

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The Journal of Research of the National Institute of Standards and Technology is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.

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Fig. 6 — Variation of dose in water, muscle, bone and fat per unit of air kerma (proportional to exposure) at various energies. [Provided by William Hanson, personal communication.]