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Castro-Hermida JA, González-Losada YA, Mezo-Menéndez M, Ares-Mazás E.Castro-Hermida JA, et al.Vet Parasitol. 2002 May 30;106(1):11-7. doi: 10.1016/s0304-4017(02)00038-9.Vet Parasitol. 2002.PMID: 11992707