PHAM, H.; TRAN, T. Coding System: A Source of Variability in Reported Prevalence Rates of Atrial Septal Defect. Online Journal of Public Health Informatics, [S. l.], v. 6, n. 1, 2014. DOI: 10.5210/ojphi.v6i1.5058. Disponível em: https://ojphi.org/ojs/index.php/ojphi/article/view/5058. Acesso em: 26 jan. 2022.