Hygiene and labour protection of medical staff under conditions of COVID-19 pandemicovercoming. The second message: changes and challenges. Environment & Health, [S. l.], v. 97, n. 4, p. 4–13, 2021. DOI: 10.32402/dovkil2020.04.004. Disponível em: https://dovkil-zdorov.kiev.ua/journal/article/view/286. Acesso em: 27 apr. 2026.