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Donelson JE, Hill KL, El-Sayed NM.Donelson JE, et al.Mol Biochem Parasitol. 1998 Mar 1;91(1):51-66. doi: 10.1016/s0166-6851(97)00209-0.Mol Biochem Parasitol. 1998.PMID: 9574925Review.