1. PRO Implementation and Medical Review Requirements;American Hospital Association,1984
2. Quality assurance in mental health care;Bertolote,1993
3. Qualitätssicherung und angewandte Statistik. Verfahren 3: Qualitätssicherungssysteme. DIN-Taschenbuch 226,1992
4. Evaluating the quality of medical care;Donabedian;Milbank Mem Fund Quart,1966
5. The Definition of Quality and Approaches to its Assessment;Donabedian,1980