“Branchial histopathological study of Brachyplatystoma rousseauxii (Castelnau, 1855) in the Guajará bay, Belém, Pará State, Brazil - DOI: 10.4025/actascibiolsci.v32i1.4800”, Acta Sci. Biol. Sci., vol. 32, nº 1, p. 93–99, dez. 2009, doi: 10.4025/actascibiolsci.v32i1.4800.