No author listed. “Australia - Communicable Diseases Intelligence (incorporating the National Microbiological Laboratory Reporting Service) - Bulletin 20. 22 September to 5 October 1977 - Whole Issue”. Communicable Diseases Intelligence 1 (October 5, 1977): 1–12. Accessed April 13, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3285.