CARDENAS, Victor. The retrospective cohort study during an epidemic field investigation. American Journal of Field Epidemiology, [S. l.], v. 1, n. 3, p. 19–31, 2023. DOI: 10.59273/ajfe.v1i3.8085. Disponível em: https://fieldepidemiology.org/index.php/ajfe/article/view/8085. Acesso em: 23 feb. 2025.