@article{blas_velasco_aliaiy_erce_basas_bautista_1989,  title={Epidemiology and control of schistosomiasis in the Philippines: progress report as of 1987},  volume={84},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761989000500011},  DOI={10.1590/S0074-02761989000500011},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Blas, Bayani L. and Velasco, Perla F. and Aliaiy, Ofélia B. and Erce, Edgardo S. and Basas, José C. and Bautista, Edgardo S.},  year={1989},  pages={105–116} }