ACO, CAO. Letters to the Editor. Canadian Journal of Optometry, [S. l.], v. 43, n. 2-3, p. 1, 1981. DOI: 10.15353/cjo.v43i2-3.4152. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/4152. Acesso em: 31 aug. 2024.