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Chaffin MK, Cohen ND, Martens RJ.Chaffin MK, et al.J Am Vet Med Assoc. 2003 Feb 15;222(4):467-75. doi: 10.2460/javma.2003.222.467.J Am Vet Med Assoc. 2003.PMID: 12597420Free article.
Chaffin MK, Cohen ND, Martens RJ.Chaffin MK, et al.J Am Vet Med Assoc. 2003 Feb 15;222(4):476-85. doi: 10.2460/javma.2003.222.476.J Am Vet Med Assoc. 2003.PMID: 12597421Free article.
Chaffin MK, Cohen ND, Martens RJ, Edwards RF, Nevill M.Chaffin MK, et al.J Am Vet Med Assoc. 2003 Dec 15;223(12):1791-9. doi: 10.2460/javma.2003.223.1791.J Am Vet Med Assoc. 2003.PMID: 14690209Free article.
Cohen ND, O'Conor MS, Chaffin MK, Martens RJ.Cohen ND, et al. Among authors: chaffin mk.J Am Vet Med Assoc. 2005 Feb 1;226(3):404-13. doi: 10.2460/javma.2005.226.404.J Am Vet Med Assoc. 2005.PMID: 15702691Free article.
Chaffin MK, Cohen ND, Martens RJ.Chaffin MK, et al.J Am Vet Med Assoc. 2008 Apr 1;232(7):1035-47. doi: 10.2460/javma.232.7.1035.J Am Vet Med Assoc. 2008.PMID: 18380623Free article.Clinical Trial.