“Branchial Histopathological Study of Brachyplatystoma Rousseauxii (Castelnau, 1855) in the Guajará Bay, Belém, Pará State, Brazil - DOI: 10.4025 actascibiolsci.V32i1.4800”. Acta Scientiarum. Biological Sciences, vol. 32, nº 1, dezembro de 2009, p. 93-99, https://doi.org/10.4025/actascibiolsci.v32i1.4800.