MENDES SANTOS SERVO, L.; BORGES DOS SANTOS, M. A. .; SULPINO VIEIRA, F.; PUCCI DE SÁ E BENEVIDES, R. SUS financing and Covid-19: history, federative participation, and responses to the pandemic. SciELO Preprints, 2020. DOI: 10.1590/SciELOPreprints.1530. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/1530. Acesso em: 30 jan. 2023.