1. 1) Annual Report of the Ministry of Health, Labor, and Welfare, 2004.
2. 2) Fire and Disaster Management Agency, Annual Report, 2004.
3. 3) The Institute of Traffic Accident Research and Data Analysis: Annual Report 2003 Edition, 2004.
4. 5) Text Publishing Committee of Japan Prehospital Trauma Evaluation and Care: Prehospital trauma care guideline; JPTEC,. 2005; Planet, Tokyo.