@article{mello-silva_grault_costa_barbosa_1998,  title={Possible hybridization of Brazilian planorbid snails and its importance in population dynamics},  volume={93},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761998000700040},  DOI={10.1590/S0074-02761998000700040},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Mello-Silva, Clélia Christina and Grault, Carlos Eduardo and Costa, Valdir Almeida da and Barbosa, Frederico Simões},  year={1998},  pages={227–232} }