XU, Wei; GU, Chenjian; WANG, Qin; LIN, Yanfan; ZHANG, Chi; BORKOW, Gadi. Reduction of SARS-CoV-2 Infectious Titers by Direct Contact with Cuprous-Oxide Impregnated Face Masks External Layers. RA Journal Of Applied Research, [S. l.], v. 7, n. 8, p. 2471–2476, 2021. DOI: 10.47191/rajar/v7i8.01. Disponível em: https://rajournals.in/index.php/rajar/article/view/716. Acesso em: 22 jul. 2024.