KNISS, K.; MALCOLM, B.; SUTTON, P.; BRAMMER, L. U.S. Pneumonia and Influenza Mortality Surveillance: A New Era. Online Journal of Public Health Informatics, [S. l.], v. 6, n. 1, 2014. DOI: 10.5210/ojphi.v6i1.5188. Disponível em: https://ojphi.org/ojs/index.php/ojphi/article/view/5188. Acesso em: 28 jan. 2022.