Tellis, Betty, Jill E Keeffe, and Hugh R Taylor. “Surveillance Report for Active Trachoma, 2006: National Trachoma Surveillance and Reporting Unit”. Communicable Diseases Intelligence 31 (December 1, 2007): 366–374. Accessed April 12, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1644.