Electronic Unified Health System: opportunities for improvement. Acta Scientiarum. Health Sciences, [S. l.], v. 42, n. 1, p. e48190, 2020. DOI: 10.4025/actascihealthsci.v42i1.48190. Disponível em: https://periodicos.uem.br/ojs/index.php/ActaSciHealthSci/article/view/48190. Acesso em: 29 maio. 2026.