DREGER, R. Dr. Roy Shephard: The Physiological Requirements of Public Safety Occupations. The Health & Fitness Journal of Canada, [S. l.], v. 4, n. 3, p. 7–8, 2011. DOI: 10.14288/hfjc.v4i3.94. Disponível em: https://hfjc.library.ubc.ca/index.php/HFJC/article/view/94. Acesso em: 5 may. 2024.