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Beal MW, Poppenga RH, Birdsall WJ, Hughes D.Beal MW, et al. Among authors: hughes d.J Am Vet Med Assoc. 1999 Dec 15;215(12):1813-7, 1806.J Am Vet Med Assoc. 1999.PMID: 10613213
Beal MW, Paglia DT, Griffin GM, Hughes D, King LG.Beal MW, et al. Among authors: hughes d.J Am Vet Med Assoc. 2001 May 15;218(10):1598-602. doi: 10.2460/javma.2001.218.1598.J Am Vet Med Assoc. 2001.PMID: 11393372Free article.
Rozanski EA, Callan MB, Hughes D, Sanders N, Giger U.Rozanski EA, et al. Among authors: hughes d.J Am Vet Med Assoc. 2002 Feb 15;220(4):477-81. doi: 10.2460/javma.2002.220.477.J Am Vet Med Assoc. 2002.PMID: 11860242Free article.Clinical Trial.