@article{revanasiddappa_veena_2008,  title={Highly sensitive spectrophotometric methods for the determination of olanzapine},  volume={33},  ISSN={0100-4670},  url={https://doi.org/10.1590/S0100-46702008000300007},  DOI={10.1590/S0100-46702008000300007},  number={3},  journal={Eclética Química},  publisher={Fundação Editora da Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP},  author={Revanasiddappa, H. D. and Veena, M. A.},  year={2008},  pages={47–52} }