A Review of Wearing a Mask and How to Correctly Wear it in Shahroud City. Shahroud Journal of Medical Sciences, [S. l.], v. 8, n. 2, p. 41–45, 2021. DOI: 10.22100/ijhs.v8i2.912. Disponível em: http://ijhs.shmu.ac.ir/index.php/ijhs/article/view/912.. Acesso em: 1 apr. 2025.