1. Evans DB, Tandon A, Murray CJL, Lauer J: The comparative efficiency of national health systems in producing health: an analysis of 191 countries. Global Programme on Evidence for Health Policy Discussion Paper No. 29. 2000, Geneva, Switzerland, World Health Organization
2. Evans DB, Tandon A, Murray CJL, Lauer JA: Comparative efficiency of national health systems: cross national econometric analysis. BMJ. 2001, 323: 307-310. 10.1136/bmj.323.7308.307.
3. Tandon A, Murray CJL, Lauer J, Evans DE: Measuring overall health system performance for 191 countries. Global Programme on Evidence forHealth Policy Discussion Paper No. 30. 2000, Geneva, Switzerland, World Health Organization
4. World Health Organization: The World Health Report 2000: Health systems: Improving performance. Geneva, World Health Organization. 2000
5. Murray CJ, Frenk J: A framework for assessing the performance of health systems. Bull World Health Organ. 2000, 78: 717-731.