References

1. Jamieson KG. Surgical lesions in head injuries: their relative incidence, mortality rates and trends. Aust NZ J Surg 1974; 44: 241-250.

2. Kraus JF, Riggins RS, Franti CE. Some epidemiological features of motorcycle collision injuries. Am J Epidemiol 1975; 102: 74-98.

3. Kraus JF. Epidemiology of head injury. In: Head injury; Cooper P (ed.). Baltimore: Williams & Wilkins, 1987.

4. Trinca G, Johnston I, Campbell B, et al. Reducing traffic injury - a global challenge. Melbourne: Royal Australasian College of Surgeons, 1988.

5. Mohan D. Vulnerable road users: an era of neglect. J Traffic Med 1992; 20: 121-128.

6. Simpson HM, Mayhew DR. Trends in motorcycle injuries: an international perspective.In: The vulnerable road user. Proceedings of the 1991 International Conference on Traffic Safety, pp. 47-59. New Delhi: MacMillan India, 1991.

7. Cameron MH, Oxley J. Investigation of improved exposure data. Road Injury Information Program, Report Series No. 6. Adelaide: National Injury Surveillance Unit, 1995.

8. Holubowycz OT, Kloeden CN, McLean AJ. Drinking behaviour and other characteristics of injured drivers and riders. Research Report 2/92. Adelaide: NHMRC Road Accident Research Unit, The University of Adelaide, 1992.

9. O'Connor PJ, Trembath RF. Road injury in Australia, 1991. Road Injury Information Program, Report Series No. 4. Adelaide: National Injury Surveillance Unit, 1995.

10. Peek C, Braver ER, Shen H, et al. Lower extremity injuries from motorcycle crashes: a common cause of preventable injury. J Trauma 1994; 37: 358-364.

11. Bly PH. Vehicle engineering to protect vulnerable road users. In: The vulnerable road user. Proceedings of the 1991 International Conference on Traffic Safety, pp. 647-655. New Delhi: MacMillan India, 1991.

12. Ryan GA. Improving head protection for cyclists, motorcyclists, and car occupants. World J Surg 1992; 16: 398-402.

13. Federal Office of Road Safety. Fatal crash types: analysis of 1988 fatality file. Report CR 105. Canberra: Department of Transport and Communications, 1992.

14. McLean AJ, Brewer ND, Hall CT, et al. Adelaide in-depth accident study, 1975-1979, Part 4: motorcycle accidents. Adelaide: Road Accident Research Unit, The University of Adelaide, 1979.

15. McLean AJ, Anderson RWG, Farmer MJB, et al. Vehicle travel speeds and the incidence of fatal pedestrian collisions (volume 1). Report CR 146. Canberra: Federal Office of Road Safety, 1994.

16. Piggott P, Knuiman MW, Rosman DL. Rates and pattern of injuries from bicycle crashes based on population, police and hospital data. Road & Transport Research 1994; 3: 64-74.

17. McLean AJ, Brewer ND, Sandow BL. Adelaide in-depth accident study, 1975-1979, Part 3: pedal cycle accidents. Adelaide: Road Accident Research Unit, The University of Adelaide, 1979.

18. Finch CF, Newstead SV, Cameron MH, et al. Head injury reductions in Victoria two years after introduction of mandatory bicycle helmet use. Report No. 51. Melbourne: Monash University Accident Research Centre, 1993.

19. MacKenzie EJ, Steinwachs DM, Shankar B. Classifying trauma severity based on hospital discharge diagnoses: validation of an ICD-9CM to AIS-85 Conversion Table. Medical Care 1989; 27: 412-422.