Egyptian dentistry students’ perspectives on COVID-19 safety measures: Cross-sectional observational research. Journal of Pharmaceutical Negative Results, [S. l.], p. 500–508, 2022. DOI: 10.47750/pnr.2022.13.S06.069. Disponível em: https://pnrjournal.com/index.php/home/article/view/1718.. Acesso em: 29 jun. 2026.