1. The role of medicine;McKeown,1979
2. Improving health: measuring effects of medical care;Bunker;Milbank Q,1994
3. The value of medical spending in the United States, 1960–2000;Cutler;N Engl J Med,2006
4. Closing the gap in a generation: health equity through action on the social determinants of health. Final Report of the Commission on Social Determinants of Health,2008
5. What does ‘access to health care’ mean?;Gulliford;J Health Serv Res Policy,2002