1. Royal Australian College of General Practitioners (RACGP) (2002) Use your head – Fact sheet, 26 June,
2. Australian Bureau of Statistics (ABS) (2001) Australian Social Trends 4102.0,
3. Department of Human Services (2006) Victorian Budget 2006–07 Information Kit,
4. Australian Institute of Health and Welfare (AIHW) (2002) Health and welfare expenditure series No. 20, Table 2001–02 Victoria,