@article{caldeira_vidigal_paulinelli_simpson_carvalho_1998,  title={Molecular identification of similar species of the genus Biomphalaria (Mollusca: Planorbidae) determined by a polymerase chain reaction-restriction fragment length polymorphism},  volume={93},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761998000700039},  DOI={10.1590/S0074-02761998000700039},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Caldeira, Roberta Lima and Vidigal, Teofânia HDA and Paulinelli, Sônia Torquato and Simpson, Andrew JG and Carvalho, Omar S},  year={1998},  pages={219–225} }