HUSSAIN, M.; HUSSAIN, I.; ., M.; GULSHER, M. Coronavirus; Chemistry of Washing Hands with Soap for 20 Seconds. Pakistan Journal of Public Health, [S. l.], v. 10, n. 1, p. 8-10, 2020. DOI: 10.32413/pjph.v10i1.547. Disponível em: https://pjph.org/index.php/pjph/article/view/547. Acesso em: 18 apr. 2021.