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Egger CM, Souza MJ, Greenacre CB, Cox SK, Rohrbach BW.Egger CM, et al. Among authors: cox sk.Am J Vet Res. 2009 Aug;70(8):945-9. doi: 10.2460/ajvr.70.8.945.Am J Vet Res. 2009.PMID: 19645574Free article.