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MacDonald ML, Anderson BC, Rogers QR, Buffington CA, Morris JG.MacDonald ML, et al. Among authors: rogers qr.Am J Vet Res. 1984 Jul;45(7):1310-7.Am J Vet Res. 1984.PMID: 24049889Clinical Trial.
Buffington CA, Rogers QR, Morris JG.Buffington CA, et al. Among authors: rogers qr.Am J Vet Res. 1990 Dec;51(12):2025-30.Am J Vet Res. 1990.PMID: 2150743