TY - JOUR T1 - Oral and nasal vaccination: current prospects, challenges, and impact of nanotechnology-based delivery systems JO - Brazilian Journal of Pharmaceutical Sciences A1 - Paiva, Natália Floriano A1 - Vicentini, Fabiana Testa Moura de Carvalho SN - 1984-8250 UL - 10.1590/s2175-97902023e21769 VL - 59 Y1 - 2023 PB - Brasil ER -