@article{rego_1999,  title={Scolex Morphology of Proteocephalid Cestodes Parasites of Neotropical Freshwater Fishes},  volume={94},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761999000100011},  DOI={10.1590/S0074-02761999000100011},  number={1},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Rego, Amilcar Arandas},  year={1999},  month={Jan},  pages={37–52} }