Investigation Sleep Quality and Its Effective Factors in Shahroud Firefighters. Shahroud Journal of Medical Sciences, [S. l.], v. 4, n. 4, 2019. DOI: 10.22100/ijhs.v4i4.473. Disponível em: http://ijhs.shmu.ac.ir/index.php/ijhs/article/view/473.. Acesso em: 2 apr. 2025.