EGAN, Donald J. The Application of Selected Broadband Red Filters for Red-Green Deficiencies. Canadian Journal of Optometry, [S. l.], v. 44, n. 1, p. 8, 1982. DOI: 10.15353/cjo.v44i1.4200. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/4200. Acesso em: 11 mar. 2025.