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Johnson AK, Clark-Price SC, Choi YH, Hartman DL, Hinrichs K.Johnson AK, et al. Among authors: hinrichs k.J Am Vet Med Assoc. 2010 May 1;236(9):983-90. doi: 10.2460/javma.236.9.983.J Am Vet Med Assoc. 2010.PMID: 20433399Free article.