The influence of head strap elasticity on the protective properties of filtering facepiece respirators. Rudarsko-geološko-naftni zbornik, [S. l.], v. 39, n. 1, p. 131–140, 2024. DOI: 10.17794/rgn.2024.1.11. Disponível em: https://ojs.srce.hr/index.php/rgn/article/view/28971. Acesso em: 19 aug. 2025.