@article{hilsdorf_krieger_2004,  title={Restriction site heteroplasmy in the mitochondrial DNA of Brycon opalinus (Cuvier, 1819) (Characiformes, Characidae, Bryconiae)},  volume={37},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X2004000300003},  DOI={10.1590/S0100-879X2004000300003},  number={3},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Hilsdorf, A.W.S. and Krieger, J.E.},  year={2004},  month={Mar},  pages={307–310} }