@article{paiva_vicentini_2023,  title={Oral and nasal vaccination: current prospects, challenges, and impact of nanotechnology-based delivery systems},  volume={59},  ISSN={1984-8250},  url={https://doi.org/10.1590/s2175-97902023e21769},  DOI={10.1590/s2175-97902023e21769},  journal={Brazilian Journal of Pharmaceutical Sciences},  publisher={Universidade de São Paulo, Faculdade de Ciências Farmacêuticas},  author={Paiva, Natália Floriano and Vicentini, Fabiana Testa Moura de Carvalho},  year={2023},  pages={e21769} }