PRICE, Olivia H; CARVILLE, Kylie S; SULLIVAN, Sheena G. Right sizing for vaccine effectiveness studies: how many is enough for reliable estimation? . Communicable Diseases Intelligence, [S. l.], v. 43, 2019. DOI: 10.33321/cdi.2019.43.20. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/589. Acesso em: 3 apr. 2026.