No author listed. Communicable Diseases Intelligence volume 16 issue 12 - 5 June 1992 - whole issue. Commun Dis Intell (2018) [Internet]. 1992 Jun. 15 [cited 2026 Apr. 23];16:250-66. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2891