1. World Health Organization, Division of Mental Health. WHO-QOL study protocol: The development of the World Health Organization quality of life assessment instrument (MNG/PSF/93.9). Geneva, Switzerland; 1993.
2. Quality of life, health status, and clinical research;Bergner;Med Care,1989
3. Quality of life: concepts and definition;Cella;J Pain Symptom Manage,1994
4. Definition and measurement of quality of life in oncology nursing research: Review and theoretical implications;Mast;Oncol Nurs Forum,1995
5. A critical appraisal of the quality of quality of life measurements;Gill;J Am Med Assoc,1994