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Bigras-Poulin M, Barfod K, Mortensen S, Greiner M.Bigras-Poulin M, et al. Among authors: barfod k.Prev Vet Med. 2007 Jul 16;80(2-3):143-65. doi: 10.1016/j.prevetmed.2007.02.004. Epub 2007 Mar 26.Prev Vet Med. 2007.PMID: 17383759
Martin PA, Cameron AR, Barfod K, Sergeant ES, Greiner M.Martin PA, et al. Among authors: barfod k.Prev Vet Med. 2007 May 16;79(2-4):98-115. doi: 10.1016/j.prevetmed.2006.09.007. Epub 2007 Jan 18.Prev Vet Med. 2007.PMID: 17239459