1. Aspects of Medical Care Administration: Specifying Requirements for Health Care;Donabedian,1973
2. Small area variations in health care delivery. A population-based health information system can guide planning and regulatory decision making;Wennberg;Science,1973
3. Variations in medical care among small areas;Wennberg;Sci Am,1982
4. Diferencias regionales en la utilizacion hospitalaria;Sarria Santamera;Gac Sanit,1993
5. Health Care Quality Indicators Project: Conceptual Framework Paper. OECD Health Working Papers, N.° 23;Kelley,2007