VALIDATION OF SURGICAL MASKS DURING COVID19 EMERGENCY: ACTIVITIES AT THE UNIVERSITY OF NAPOLI FEDERICO II. Giornale Italiano di Medicina del Lavoro ed Ergonomia, [S. l.], v. 42, n. 2, p. 73–81, 2025. DOI: 10.4081/gimle.442. Disponível em: https://medicine.pagepress.org/gimle/article/view/442. Acesso em: 8 aug. 2025.