1. Do health expenditures meet health needs? WHO/NHA policy highlight no. 1;WHO,2008
2. World health statistics;WHO,2008
3. Health systems: improving performance. World health report;WHO,2000
4. Social health insurance. Report by the Secretariat: provisional agenda item 13.6;WHO,2005
5. Protecting households from catastrophic health spending;Xu;Health Affairs (Millwood),2007