HISHAMUDDIN, Pengiran. Evaluation of the Influenza Sentinel Surveillance System in Singapore 2011-2012. Online Journal of Public Health Informatics, [S. l.], v. 6, n. 1, 2014. DOI: 10.5210/ojphi.v6i1.5102. Disponível em: https://ojphi.org/ojs/index.php/ojphi/article/view/5102. Acesso em: 16 apr. 2024.