@article{pieri_thomas_1987,  title={Snail host control in the eastern coastal areas of North-East (NE) Brazil},  volume={82},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761987000800034},  DOI={10.1590/S0074-02761987000800034},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Pieri, O. S. and Thomas, J. D.},  year={1987},  pages={197–201} }