1. Australian Institute of Health and Welfare: Australia's health 2004. 2004, Camberra , AIHW, 1st
2. Australian Acute Musculoskeletal Pain Guidelines Group: Evidence-based management of acute musculoskeletal pain. 2003, [http://www.nhmrc.gov.au]
3. Maetzel A, Li L: The economic burden of low back pain: a review of studies published between 1996 and 2001. Best Pract Res Clin Rheumatol. 2002, 16 (1): 23-30. 10.1053/berh.2001.0204.
4. WorkCover Authority NSW: Statistical Bulletin. NSW Workers Compensation 2002/03. 2003, Sydney , The WorkCover Authority NSW,
5. Pengel LH, Herbert RD, Maher CG, Kathryn RM: Acute low back pain: Systematic review of its prognosis. BMJ. 2003, 327 (9 August): 1-5.