B. L. Altieri, D. A. Viana, and A. C. O. Meirelles, “Isolation of <i>Giardia</i> sp. from an estuarine dolphin (<i>Sotalia guianensis</i>) in Ceará State, northeastern Brazil”, Lat. Am. J. Aquat. Mamm., vol. 6, no. 1, pp. 113-116, Jun. 2007.