@article{chieffi_1992,  title={Interrelationship between Schistosomiasis and concomitant diseases},  volume={87},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761992000800045},  DOI={10.1590/S0074-02761992000800045},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Chieffi, Pedro Paulo},  year={1992},  pages={291–296} }