@article{pérez_bolívar_1989,  title={The feasibility of filter paper collected blood for the serodiagnosis of malaria},  volume={84},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761989000400023},  DOI={10.1590/S0074-02761989000400023},  number={4},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Pérez, Hilda A. and Bolívar, José},  year={1989},  month={Oct},  pages={587–588} }