@article{nassif_1987,  title={A review of achievements of the national schistosomiasis control program in middle and upper Egypt areas},  volume={82},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761987000800013},  DOI={10.1590/S0074-02761987000800013},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Nassif, Samir},  year={1987},  pages={83–88} }