@article{ghoneim_abdel-azzem_el-desoky_ghoneim_khattab_2014,  title={Electrochemical reduction and stripping voltammetric determination of the anti-glaucoma drug levobunolol HCl in formulation and human serum at the mercury electrode},  volume={25},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20140123},  DOI={10.5935/0103-5053.20140123},  number={8},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Ghoneim, Mohamed M. and Abdel-Azzem, Magdi K. and El-Desoky, Hanaa S. and Ghoneim, Ahmed M. and Khattab, Ahmed E.},  year={2014},  month={Aug},  pages={1407–1418} }