1. Benner P (1984) From novice to expert. Addison Weseley, Menlo Park, Calif
2. Calman K (1987) Definitions and dimensions of quality of life. In: Aaronson N, Beckmann J (eds) The quality of life of cancer patients. Raven Press, New York
3. Campbell A (1981) The sense of well-being in America. McGraw-Hill, New York
4. Campbell A, Converse P (1976) The quality of American life. Russell Sage Foundation, New York
5. Gerson E (1976) On the quality of life. Am Soc Rev 41:793?806