NORTH, Kirsten. Third Party/Managed Care – An objective analysis. Canadian Journal of Optometry, [S. l.], v. 71, n. 3, p. 14, 2009. DOI: 10.15353/cjo.71.659. Disponível em: https://www.cjo-rco.ca/index.php/cjo/article/view/659. Acesso em: 31 jan. 2026.