1.
Chávez-Ruiz M, Rueda-Torres L, Bellido-Achahui C, Madueño-Ventura F, Ruffner-Camargo B. Evaluation of the filtration efficiency of respiratory protective equipment against SARS-CoV-2. Rev Peru Med Exp Salud Publica. 2021;38(3):467-8. doi:10.17843/rpmesp.2021.383.7564