 @article{torres_contreras_revenga_fritz_1993,  title={Helminth parasites in fishes from Valdivia and Tornagaleones river estuaries in the south of Chile},  volume={88},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761993000300021},  DOI={10.1590/S0074-02761993000300021},  number={3},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Torres, P. and Contreras, A. and Revenga, J. and Fritz, N.},  year={1993},  month={Jul},  pages={491–492} }