@article{zawadzki_renesto_peres_paiva_2008,  title={Allozyme variation among three populations of the armored catfish Hypostomus regani (Ihering, 1905) (Siluriformes, Loricariidae) from the Paraná and Paraguay river basins, Brazil},  volume={31},  ISSN={1415-4757},  url={https://doi.org/10.1590/S1415-47572008000400025},  DOI={10.1590/S1415-47572008000400025},  number={3},  journal={Genetics and Molecular Biology},  publisher={Sociedade Brasileira de Genética},  author={Zawadzki, Cláudio H. and Renesto, Erasmo and Peres, Maria Dolores and Paiva, Suzana},  year={2008},  pages={767–771} }