@article{suarez_madi_figueiredo-filho_fatibello-filho_2007,  title={Flow-Injection spectrophotometric system for captopril determination in pharmaceuticals},  volume={18},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532007000600016},  DOI={10.1590/S0103-50532007000600016},  number={6},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Suarez, Willian T. and Madi, Alexandro A. and Figueiredo-Filho, Luiz C. S. de and Fatibello-Filho, Orlando},  year={2007},  pages={1215–1219} }