1. The global impact of infuenza on morbidity and mortality;Simonsen;Vaccine.,1999
2. Fragmentation of infuenza surveillance in Australia;Watts;Commun Dis Intell.,2002
3. Evaluation of an electronic general-practitioner surveillance system - Auckland, New Zealand, 2000-2001;Jones;MMWR Morb Mortal Wkly Rep.,2004