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. 2015 Mar 21;46(1):37. doi: 10.1186/s13567-015-0166-3

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© Frydas et al.; licensee BioMed Central. 2015

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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Clinical scores in pigs inoculated with PRRSV 13V091, 13V117 and 07V063 are summarized. Lines represent the mean value in each group. Letters denote significant statistical differences (P < 0.05) between viral strains (a: 13V091 and 13V117, b: 13V091 and 07V063, c: 13V117 and 07V063).