@article{takemoto_pavanelli_2000,  title={Aspects of the ecology of proteocephalid cestodes parasites of Sorubim lima (Pimelodidae) of the upper Paraná River, Brazil: I. Structure and influence of host's size and sex},  volume={60},  ISSN={0034-7108},  url={https://doi.org/10.1590/S0034-71082000000400006},  DOI={10.1590/S0034-71082000000400006},  number={4},  journal={Revista Brasileira de Biologia},  publisher={Instituto Internacional de Ecologia},  author={TAKEMOTO, R. M. and PAVANELLI, G. C.},  year={2000},  month={Nov},  pages={577–584} }