ALVES, M. R.; KEPPELER, E. C. Severe acute respiratory syndrome and COVID-19 under the hierarchy of the urban network of municipalities in the state of Acre, western Brazilian Amazon region, 2020-2021: a cross-sectional study. São Paulo Medical Journal, [S. l.], v. 140, n. 5, p. 668–675, 2022. Disponível em: https://periodicosapm.emnuvens.com.br/spmj/article/view/1044. Acesso em: 14 mar. 2025.