@article{uscategui_díaz_valero_2018,  title={APLICACIONES BIOMÉDICAS DE POLIURETANOS},  volume={41},  ISSN={0100-4042},  url={https://doi.org/10.21577/0100-4042.20170191},  DOI={10.21577/0100-4042.20170191},  number={4},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Uscategui, Yomaira L. and Díaz, Luis E. and Valero, Manuel F.},  year={2018},  month={Apr},  pages={434–445} }