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Sargeant JM, Kelton DF, Martin SW, Mann ED.Sargeant JM, et al. Among authors: kelton df.Prev Vet Med. 1997 Aug;31(3-4):223-30. doi: 10.1016/s0167-5877(96)01139-7.Prev Vet Med. 1997.PMID: 9234446