@article{el-desoky_2009,  title={Stability indicating square-wave stripping voltammetric method for determination of gatifloxacin in pharmaceutical formulation and human blood},  volume={20},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532009001000004},  DOI={10.1590/S0103-50532009001000004},  number={10},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={El-Desoky, Hanaa Salah},  year={2009},  pages={1790–1799} }