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Martens RJ, Cohen ND, Chaffin MK, Takai S, Doherty CL, Angulo AB, Edwards RE.Martens RJ, et al. Among authors: cohen nd.J Am Vet Med Assoc. 2002 Sep 15;221(6):825-33. doi: 10.2460/javma.2002.221.825.J Am Vet Med Assoc. 2002.PMID: 12322921Free article.
Cohen ND, Carter CN, Thomas MA Jr, Angulo AB, Eugster AK.Cohen ND, et al.J Am Vet Med Assoc. 1990 Oct 1;197(7):893-8.J Am Vet Med Assoc. 1990.PMID: 2228777
Chaffin MK, Matthews NS, Cohen ND, Carter GK.Chaffin MK, et al. Among authors: cohen nd.Equine Vet J. 1996 Nov;28(6):437-45. doi: 10.1111/j.2042-3306.1996.tb01615.x.Equine Vet J. 1996.PMID: 9049492
Chaffin MK, Cohen ND.Chaffin MK, et al. Among authors: cohen nd.J Am Vet Med Assoc. 1998 Jun 1;212(11):1746-50.J Am Vet Med Assoc. 1998.PMID: 9621883Clinical Trial.
Martens RJ, Takai S, Cohen ND, Chaffin MK, Liu H, Sakurai K, Sugimoto H, Lingsweiler SW.Martens RJ, et al. Among authors: cohen nd.J Am Vet Med Assoc. 2000 Jul 15;217(2):220-5. doi: 10.2460/javma.2000.217.220.J Am Vet Med Assoc. 2000.PMID: 10909463Free article.
Smith R 3rd, Chaffin MK, Cohen ND, Martens RJ.Smith R 3rd, et al. Among authors: cohen nd.Am J Vet Res. 2002 Apr;63(4):531-7. doi: 10.2460/ajvr.2002.63.531.Am J Vet Res. 2002.PMID: 11939315Free article.