1. The Role of Medicine. Dream, Mirage or Nemesis?;McKeown,1979
2. William Farr: founder of modern concepts of surveillance;Langmuir;Int. J. Epidemiol.,1976
3. Health Status and Health Policy;Patrick,1993
4. Quality of life measures in health care. III. resource allocation;Speigelhalter;Br. Med. J.,1992
5. Quality of Life: consensus, controversy and concern;Rosser,1988