@article{vidigal_dias neto_spatz_nunes_pires_simpson_carvalho_1998,  title={Genetic variability and identification of the intermediate snail hosts of Schistosoma mansoni},  volume={93},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761998000700014},  DOI={10.1590/S0074-02761998000700014},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Vidigal, Teofânia HDA and Dias Neto, Emmanuel and Spatz, Linus and Nunes, Diana N and Pires, Edina R and Simpson, Andrew JG and Carvalho, Omar S},  year={1998},  pages={103–110} }