1. International experience of rationing (or priority setting);Ham,2000
2. Managing scarcity: priority setting and rationing in the National Health Service;Klein,1998
3. Choices in health care;The Government Committee on Choices in Health Care The Netherlands,1992
4. Limiting access to health care. A contractualist approach to fair rationing;Norheim,1996
5. Health priority dilemas in developing countries;Bryant,2000