@article{pereira_oliveira_fonseca_2021,  title={Influence of the use of rice husk as source of silica on the sol-gel synthesis of bioglass},  volume={67},  ISSN={0366-6913},  url={https://doi.org/10.1590/0366-69132021673833134},  DOI={10.1590/0366-69132021673833134},  number={383},  journal={Cerâmica},  publisher={Associação Brasileira de Cerâmica},  author={Pereira, M. A. and Oliveira, J. E. de and Fonseca, C. S.},  year={2021},  month={Jul},  pages={333–337} }