NO AUTHOR LISTED. Communicable Diseases Intelligence volume 15 issue 11 - 3 June 1991 - whole issue. Communicable Diseases Intelligence, [S. l.], v. 15, p. 177–192, 1991. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2918. Acesso em: 26 jun. 2026.