Analysis of the data of ultrasound heart examination in the workers of locomotive crews depending on their seniority. Environment & Health, [S. l.], v. 85, n. 1, p. 63–67, 2018. DOI: 10.32402/dovkil2018.01.063. Disponível em: https://dovkil-zdorov.kiev.ua/journal/article/view/440. Acesso em: 26 apr. 2026.