1. Japan Collaborative Cohort Study for Evaluation of Cancer Risk Sponsored by Monbusho(JACC Study).
2. 2. Hirayama T. Life-style and mortality: A large-scale censusbased cohort study in Japan. Karger. Basel. 1990.
3. 3. The Japan Society of Home Economics. Life in Japan. Reflection on fifty years of change and future prospects. Kenpakusha. Tokyo. 1998. (in Japanese)
4. 4. Ajiki W, for the Monbusho ECC (Chairman: Y. Ohno). Death code conversion from ICD-9th to ICD-10th. Nagoya. 1999. (in Japanese)
5. 5. Statistics and Information Department, Ministry's Secretariat, Ministry of Health and Welfare. Vital Statistics of Japan 1989, 1992, 1995, 1998 Volume 1. Health Statistics Association. Tokyo. 1991, 1994, 1997, 2000.