CROSBY, K.; DIES, N. Challenges with Medical Directives for Physician Assistants in Ontario. The Journal of Canada’s Physician Assistants, [S. l.], v. 1, n. 1, 2018. DOI: 10.5203/jcanpa.v1i1.612. Disponível em: https://ojs.lib.umanitoba.ca/index.php/jcpa/article/view/612. Acesso em: 5 oct. 2022.