1. Increasing incidence of hip fracture in Tottori Prefecture, Japan: trend from 1986 to 2001;Hagino;Osteoporosis International,2005
2. Yoshikawa A, Yamada K. Strategy of hospital management using bench mark analyses. Monthly Hanbu 2000, http://www.seagaia.org/sg2000/htmlfiles/yamada/yamada.html; 2007 (in Japanese).
3. Ministry of Internal Affairs Communications. Social Security, Health Care, and Public Hygiene (Chapter 15). Statistical Handbook of Japan, http://www.stat.go.jp/english/data/handbook/c15cont.htm#cha15_2; 2005.
4. Ministry of Health Labour and Welfare in Japan. Patient Survey 2002: Health and Welfare Statistics Association; 2002.
5. Trends in hospital care for hip fractures;Gehlbach;Osteoporosis International,2007