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. 2014 Oct 15;15:347. doi: 10.1186/1471-2474-15-347

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© Shapiro et al.; licensee BioMed Central Ltd. 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Comparative Mouse Photographs. Photograph illustrates cn/cn mouse (top) and cn/+ mouse (bottom) from the same litter. The crown-rump length of the smaller cn/cn mouse is 70% that of the normal cn/+.