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. 2014 Jun 27;17(2):174–179. doi: 10.4048/jbc.2014.17.2.174

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© 2014 Korean Breast Cancer Society. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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This histogram represents the distribution of the difference between two percent density (PD) values by one rater. 70.9% fell in within difference of 5, and 94.4% within difference of 10 between two paired PD values.