@article{sarwar_hossain_2012,  title={Development and evaluation of sustained release losartan potassium matrix tablet using kollidon SR as release retardant},  volume={48},  ISSN={1984-8250},  url={https://doi.org/10.1590/S1984-82502012000400005},  DOI={10.1590/S1984-82502012000400005},  number={4},  journal={Brazilian Journal of Pharmaceutical Sciences},  publisher={Universidade de São Paulo, Faculdade de Ciências Farmacêuticas},  author={Sarwar, Shahid and Hossain, Mohammad Salim},  year={2012},  month={Oct},  pages={621–628} }