@article{teixeira_marcolino-júnior_fatibello-filho_dockal_cavalheiro_2004,  title={Voltammetric determination of dipyrone using a N,N'-ethylenebis(salicylideneaminato)oxovanadium(IV) modified carbon-paste electrode},  volume={15},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532004000600003},  DOI={10.1590/S0103-50532004000600003},  number={6},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Teixeira, Marcos F. S. and Marcolino-Júnior, Luiz H. and Fatibello-Filho, Orlando and Dockal, Edward R. and Cavalheiro, Éder T. G.},  year={2004},  month={Nov},  pages={803–808} }