Allozyme analysis of the four species of Hypostomus (Teleostei: Loricariidae) from the Ivaí river, upper Paraná river basin, Brazil - doi: 10.4025/actascibiolsci.v35i4.16355. (2013). Acta Scientiarum. Biological Sciences, 35(4), 571-578. https://doi.org/10.4025/actascibiolsci.v35i4.16355