1. Singapore Ministry of Health. Background: Healthcare system in Singapore; 2004. Retrieved September 11, 2006 from http://www.moh.gov.sg/corp/systems/our/background.do.
2. Statistics Singapore; 2004. Retrieved September 11, 2006 from http://www.singstat.gov.sg/Keystats/hist/gdp.html.
3. Quest for quality care and patient safety: the case of Singapore;Lim;Quality & Safety in Health Care,2004
4. World Health Organization. The world health report 2000. Health Systems: Improving performance; 2000.
5. Singapore Ministry of Health. Health manpower; 2004. Retrieved September 11, 2006 from http://www.moh.gov.sg/corp/systems/our/manpowerexp.do.