1. Medical letter;Med Lett Drugs Ther,2002
2. Health advice given by general practitioners for travellers from Australia;Seelan;Trav Med Infect Dis,2003
3. Risk to tourists posed by wild mammals in South Africa;Durrheim;J Travel Med,1999
4. Injury: an overlooked global health concern;Satcher;JAMA,2000
5. The global burden of disease;Murray,1996