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Villagra-Blanco R, Dolz G, Montero-Caballero D, Romero-Zúñiga JJ.Villagra-Blanco R, et al.Open Vet J. 2015;5(2):122-6. Epub 2015 Sep 1.Open Vet J. 2015.PMID: 26623377Free PMC article.