SHEPHARD, R. J. A polar bear swim, anyone? Risks and counter-measures. The Health & Fitness Journal of Canada, [S. l.], v. 8, n. 1, p. 14–21, 2015. DOI: 10.14288/hfjc.v8i1.179. Disponível em: https://hfjc.library.ubc.ca/index.php/HFJC/article/view/179. Acesso em: 24 apr. 2024.