1. Spinal injuries in New Zealand rugby and rugby league – a twenty year survey;Armour;New Zealand Medical Journal,1997
2. Vocational achievements following spinal cord injury in Australia;Athanasou;Disability and Rehabilitation,1996
3. Variation in trabecular structure of vertebrae with age;Atkinson;Calcified Tissue Research,1967
4. Australian Bureau of Statistics, 1999. Labour force, Australia 1999. ABS Catalogue no. 6203.0, Canberra.
5. Australian Bureau of Statistics, 2000. Australia now – a statistical profile of Australia, Canberra (www.abs.gov.au).