@article{spatz_vidigal_caldeira_dias neto_gonzález cappa_carvalho_1998,  title={Molecular study of similar Biomphalaria species},  volume={93},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761998000700025},  DOI={10.1590/S0074-02761998000700025},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Spatz, Linus and Vidigal, Teofânia HDA and Caldeira, Roberta L and Dias Neto, Emmanuel and González Cappa, Stella Maris and Carvalho, Omar S},  year={1998},  pages={169–170} }