WILHELM, Kevin. Four Secrets to Earning Patient Loyalty (Because three is not enough and five is far too many). Canadian Journal of Optometry, [S. l.], v. 79, n. 1, p. 2, 2017. DOI: 10.15353/cjo.79.444. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/444. Acesso em: 28 apr. 2024.