1. 1. Organisation for Economic Co-operation and Development. OECD Health data 2007; [Cited 4 July 2008.] Available from URL: Available from http://www.oecd.org/health/healthdata
2. The shortage of practicing obstetricians;Anonymous;Birth,2007
3. Estimation of actual report rates using data from the survey of physicians, dentists and pharmacists;Shimada;Nippon Koshu Eisei Zasshi,2004
4. 4. Statistics and Information Department, Minister's Secretariat, Ministry of Health, Labour and Welfare. Survey of Physicians, Dentists and Pharmacists 2006; [Cited 4 July 2008.] Available from URL: http://www.mhlw.go.jp/toukei/saikin/hw/ishi/06/index.html (In Japanese.)
5. 5. Anonymous. Remote islands lack obstetricians. The Japan Times, 27 Sept 2007.