@article{garcia_moreira filho_2008,  title={Localization of ribosomal genes in three Pimelodus species (Siluriformes, Pimelodidae) of the São Francisco River: 5S genes as species markers and conservation of the 18S rDNA sites},  volume={31},  ISSN={1415-4757},  url={https://doi.org/10.1590/S1415-47572008000200018},  DOI={10.1590/S1415-47572008000200018},  number={1},  journal={Genetics and Molecular Biology},  publisher={Sociedade Brasileira de Genética},  author={Garcia, Caroline and Moreira Filho, Orlando},  year={2008},  pages={261–264} }