1. The Role of Medicine Nuffield Provincial Hosp. Trust 1976 The point has been summarized in Tuckett D;McKeown,1976
2. Evaluation of the quality of medical care;Donabedian;Milbank Meml. Fund q. Bull,1966
3. The economics of treating varicose veins;Pichaud;Int. J. Epiderniol.,1972
4. Methods of assessing quality of medical care;Morrell,1970
5. Human Relutions and Hospital Cure;Cartwright,1964