@article{kohn_fernandes_baptista-farias_1997,  title={Redescription of Prosthenhystera obesa (Diesing, 1850) (Callodistomidae, Digenea) with New Host Records and Data on Morphological Variability},  volume={92},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761997000200008},  DOI={10.1590/S0074-02761997000200008},  number={2},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Kohn, Anna and Fernandes, Berenice MM and Baptista-Farias, Maria de Fatima D},  year={1997},  month={Mar},  pages={171–179} }