SAHAJ SABHARWAL1, KAYNAT NADEEM2 , MUHAMMAD ASIF2*. The Role of Surgical Masks or Respirators to Prevent Coronavirus. AlQalam Journal of Medical and Applied Sciences, [S. l.], v. 3, n. 2, p. 32–34, 2020. Disponível em: https://journal.utripoli.edu.ly/index.php/Alqalam/article/view/82. Acesso em: 4 may. 2024.