DO, Hien et al. Building the hospital event-based surveillance system in Viet Nam: a qualitative study to identify potential facilitators and barriers for event reporting. Western Pacific Surveillance and Response, Manila, Philippines, v. 11, n. 3, 2020. DOI: 10.5365/wpsar.2019.10.1.009. Disponível em: https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/679. Acesso em: 3 jun. 2026.