OLATUNJI AYOTUNDE, E.; OBETEN OFFEM, B.; BEKEH ADA, F. Heavy metal profile of water, sediment and freshwater cat fish, Chrysichthys nigrodigitatus (Siluriformes: Bagridae), of Cross River, Nigeria. Revista de Biología Tropical, [S. l.], v. 60, n. 3, p. 1289–1301, 2012. DOI: 10.15517/rbt.v60i3.1807. Disponível em: https://revistas.ucr.ac.cr/index.php/rbt/article/view/1807. Acesso em: 2 may. 2024.