NATTER, M. On call. Canadian Medical Education Journal, [S. l.], v. 9, n. 2, p. e97, 2018. DOI: 10.36834/cmej.52954. Disponível em: https://journalhosting.ucalgary.ca/index.php/cmej/article/view/52954. Acesso em: 19 may. 2024.