HANRAHAN, . D. Concussions in Sports: NFL Carrying the Ball Toward Change in Brain Injury Policy. Voices in Bioethics, [S. l.], 2013. DOI: 10.7916/vib.vi.6659. Disponível em: https://journals.library.columbia.edu/index.php/bioethics/article/view/6659. Acesso em: 8 may. 2024.