Watson, Michael, Paul Roche, Kathy Bayley, Jan M Bell, Peter Collignon, Gwendolyn L Gilbert, Geoff Hogg, et al. “Laboratory Surveillance of Invasive Pneumococcal Disease in Australia, 2003 — Predicting the Future Impact of the Universal Childhood Conjugate Vaccine Program”. Communicable Diseases Intelligence 28 (December 31, 2004): 455–464. Accessed April 3, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1874.