Riley, Thomas V, and Claudia Thomas. “Restriction of Third Generation Cephalosporin Use Reduces the Incidence of Clostridium Difficile-Associated Diarrhoea in Hospitalised Patients”. Communicable Diseases Intelligence 27 (May 30, 2003): S28-S31. Accessed April 6, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2414.