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Schaefer AL, Cook NJ, Church JS, Basarab J, Perry B, Miller C, Tong AK.Schaefer AL, et al. Among authors: cook nj.Res Vet Sci. 2007 Dec;83(3):376-84. doi: 10.1016/j.rvsc.2007.01.008. Epub 2007 Mar 8.Res Vet Sci. 2007.PMID: 17349665Free PMC article.