@article{narayana_veena_ashwani_shetty_2010,  title={New reagents for the spectrophotometric determination of ranitidine hydrochloride},  volume={35},  ISSN={0100-4670},  url={https://doi.org/10.1590/S0100-46702010000300010},  DOI={10.1590/S0100-46702010000300010},  number={3},  journal={Eclética Química},  publisher={Fundação Editora da Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP},  author={Narayana, B and Veena, K and Ashwani, K and Shetty, Divya. N},  year={2010},  month={Sep},  pages={109–115} }