World Cancer Research Fund and American Institute for Cancer Research. (2009). Policy and Action for Cancer Research: Food, Nutrition, and Physical Activity, a Global Perspective. London, England: World Cancer Research Fund.
World Health Organization. (2005). A Guide to Producing National Health Accounts with Special Applications for Low-Income and Middle-Income Countries. Geneva, Switzerland: Author. Available: http://www.who.int/nha/docs/English_PG.pdf [accessed May 2010].
World Health Organization. (2008). Global Tuberculosis Control: Surveillance, Planning, and Financing. Available: http://www.who.int/tb/publications/global_report/2008/summary/en/index.html [accessed May 2010].
World Health Organization. (2009). International Shortlist for Hospital Morbidity Tabulation (ISHMT). Available: http://www.who.int/classifications/icd/implementation/morbidity/ishmt/en/ [accessed May 2010].
World Health Organization Quality of Life Group. (1998a). Development of the World Health Organization WHOQOL-BREF quality of life assessment. Psychological Medicine, 28(3), 551-558.
World Health Organization Quality of Life Group. (1998b). The World Health Organization quality of life Assessment: Development and general psychometric properties. Social Science and Medicine, 46(12), 1569-1585.
Yuskavage, R.E. (1996). Improved estimates of gross product by industry, 1959-1994. Survey of Current Business, 76(8 August), 133-155.
Zhao, Y., Randall, P.E., Ash, A.S., Calabrese, D., Ayanian, J., Slaughter, J.P., Weyuker, L., and Bowen, B. (2001). Measuring population health risks using inpatient diagnoses and outpatient pharmacy data. Health Services Research, 26(6 Pt. 2), 180-193.
Zumwalt, R.E., and Ritter, M.R. (1987). Incorrect death certification: An invitation to obfuscation. Postgraduate Medicine, 81(8), 245-254.