@article{rapado_peniche_2015,  title={Synthesis and characterization of pH and temperature responsive poly(2-hydroxyethyl methacrylate-co-acrylamide) hydrogels},  volume={25},  ISSN={0104-1428},  url={https://doi.org/10.1590/0104-1428.2097},  DOI={10.1590/0104-1428.2097},  number={6},  journal={Polímeros},  publisher={Associação Brasileira de Polímeros},  author={Rapado, Manuel and Peniche, Carlos},  year={2015},  month={Nov},  pages={547–555} }