Barata, Rita de Cássia Barradas. “ The Challenge of Emergent Disease and the Return to Descriptive Epidemiology ”. Revista de Saúde Pública 31, no. 5 (October 1, 1997): 531–537. Accessed May 16, 2024. https://www.revistas.usp.br/rsp/article/view/24323.