Rhodes, G., Wiley, M., Tomas, R., Casas, M., and Leidl, R. (1997). Comparing EU Hospital efficiency Using Diagnosis-Related Groups , European Journal of Public Health, Vol. 7, No. 3 Supplement, September 1997, Oxford: Oxford University Press, https://www.esri.ie/publications/comparing-eu-hospital-efficiency-using-diagnosis-related-groups