SPEARMAN, Elwood J; RATHGEBER, Arthur J. St. Vital Vision Screening Study. Canadian Journal of Optometry, [S. l.], v. 44, n. 2, p. 4, 1982. DOI: 10.15353/cjo.v44i2.4210. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/4210. Acesso em: 28 jul. 2024.