1. The disability paradox: high quality of life against all odds;Albrecht;Soc Sci Med,1999
2. World Health Organization. Preamble to the Constitution of the World Health Organization as adopted by the International Health Conference, New York, June 19-July 22, 1946; signed on 22 July 1946 by the representatives of 61 States (Official Records of the World Health Organization, no. 2, p. 100) and entered into force on 7 April 19481946. Available at: http://www.who.int/suggestions/faq/en/. Accessed December 13, 2006.
3. Health status assessment methods for adults: past accomplishments and future challenges;McHorney;Annu Rev Public Health,1999
4. The Quality of Life Scale (QOLS): reliability, validity, and utilization;Burckhardt;Health Qual Life Outcomes,2003
5. The idea of health: a philosophical inquiry;Smith;ANS Adv Nurs Sci,1981