Oliveira, Rodinelli Borges de, et al. “Detection of Paraneuronal Cells in Guppy (Poecilia vivipara) Gill Filament epithelium Determined by Histochemistry and Transmission Electron Microscopy”. Revista de Biologia Neotropical / Journal of Neotropical Biology, vol. 3, nº 2, dezembro de 2007, p. 169-76, https://doi.org/10.5216/rbn.v3i2.2622.