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Johnson RA.Johnson RA.Vet Clin North Am Small Anim Pract. 2017 Mar;47(2):185-189. doi: 10.1016/j.cvsm.2016.10.012. Epub 2016 Dec 8.Vet Clin North Am Small Anim Pract. 2017.PMID: 27939862Review.
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Wendt-Hornickle EL, Johnson RA.Wendt-Hornickle EL, et al. Among authors: johnson ra.J Am Vet Med Assoc. 2011 Jul 15;239(2):194-7. doi: 10.2460/javma.239.2.194.J Am Vet Med Assoc. 2011.PMID: 21756173Free article.No abstract available.