1. Van Doorslaer E, Masseria C, Koolman X. Inequalities in access to medical care by income in developed countries. Can Med Assoc J. 2006;174(2):177–83.
2. Williams A. The ‘fair innings argument’ deserves a fairer hearing! Comments by Alan Williams on Nord and Johannesson. Health Econ. 2001;10(7):583–5.
3. Mladovsky P, Srivastava D, Cylus J, Karanikolos M, Evetovits T, Thomson S, McKee M. Health policy responses to the financial crisis in Europe. Copenhagen: World Health Organization 2012 and World Health Organization, on behalf of the European Observatory on Health Systems and Policies; 2012.
4. Calonge S, Manresa A. Redistributional consequences of the welfare state in Spain: a disaggregated empirical analysis [in Spanish]. Moneda y Crédito. 1997;204:13–66.
5. Ortiz F, Abasolo I, Jiménez V. Public Health and Income Distribution in Spain, III Symposium on Equality and Distribution of Income and Wealth [in Spanish]. Madrid: Fundación Argentaria; 1998.