@article{jurberg_1987,  title={Why it is difficult to control Biomphalaria glabrata, the vector snail of schistosomiasis},  volume={82},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761987000800035},  DOI={10.1590/S0074-02761987000800035},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Jurberg, Pedro},  year={1987},  pages={203–207} }