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Kuwahara-Otani S, Maeda S, Tanaka K, Hayakawa T, Seki M.Kuwahara-Otani S, et al.J Vet Med Sci. 2013;75(8):1081-4. doi: 10.1292/jvms.13-0083. Epub 2013 Mar 22.J Vet Med Sci. 2013.PMID: 23519939Free article.