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Holdsworth PA, Conway DP, McKenzie ME, Dayton AD, Chapman HD, Mathis GF, Skinner JT, Mundt HC, Williams RB; World Association for the Advancement of Veterinary Parasitology.Holdsworth PA, et al.Vet Parasitol. 2004 May 26;121(3-4):189-212. doi: 10.1016/j.vetpar.2004.03.006.Vet Parasitol. 2004.PMID: 15135859
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