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Wellman ML, Kociba GJ, Mathes LE, Olsen RG.Wellman ML, et al. Among authors: kociba gj.Am J Vet Res. 1988 Feb;49(2):227-30.Am J Vet Res. 1988.PMID: 2831764
Swenson CL, Polas PJ, Cheney CM, Kociba GJ, Mathes LE.Swenson CL, et al. Among authors: kociba gj.Am J Vet Res. 1991 Dec;52(12):2010-5.Am J Vet Res. 1991.PMID: 1724122