Lawrence, Glenda, and Ian Boyd. “Surveillance of Adverse Events Following Immunisation for Children Aged Less Than 7 Years, 1 January to 30 June 2004”. Communicable Diseases Intelligence 28 (December 31, 2004): 490–492. Accessed April 23, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1895.