@article{dórea_lima sobrinho_2004,  title={Analysis of pesticide residues in rice using matrix solid-phase dispersion (MSPD)},  volume={15},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532004000500013},  DOI={10.1590/S0103-50532004000500013},  number={5},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Dórea, Haroldo S. and Lima Sobrinho, Ledjane},  year={2004},  month={Sep},  pages={690–694} }