Sahaj Sabharwal1, Kaynat Nadeem2 , Muhammad Asif2*. “The Role of Surgical Masks or Respirators to Prevent Coronavirus”. AlQalam Journal of Medical and Applied Sciences 3, no. 2 (July 1, 2020): 32–34. Accessed May 4, 2024. https://journal.utripoli.edu.ly/index.php/Alqalam/article/view/82.