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APA Citation
Brazete, C., Brazete, J., Alves, F., Aguiar, A., Gonçalves, A., Cardoso, M., Sá, L., Gonçalves, E., Pinto, M., & Duarte, R. (2023). cOVID-19 vaccines effectiveness against symptomatic disease and severe outcomes, 2021–2022: a test-negative case–control study. Public health, 218, 84–91. http://access.bl.uk/ark:/81055/vdc_100184745355.0x000051