数学中国 Ww. madio net 154 The LIMAP Journal 29.2(2008) Wang Youfa, and May A Beydoun. 2007. The obesity epidemic in the United States--gender, age, socioeconomic, racial/ethnic, and ge- ographic characteristics: A systematic review and meta-regression anal ysisEpidemiologicReviews29(1)(anuary2007):6-28.http://epirev oxfordjournals. org/cgi/reprint/mxm007v1 Wolff, Edward N. 2004. Changes in household wealth in the 1980s and 1990s in the U.S. Working Paper No, 407. Levy Economics Institute of BardCollegehttp://www.levy.org/pubs/up407.pdf World Bank 1994. Better Health in Africa. Washington, DC: World Bank Staff World Health Organization(WHO). 2000a. Annex Table 7: Faimess of fi- nancial contribution to health systems in all member states. The World Health report 2000b. How well do health systems perform? World Health Report, PP. 21-45. 2006. National health acounts. WHO Statistical Information Sys- 2008.ThewhOagendahttp://www.who.int/about/ agenda/on/index.html Advisor Darryl Yong team members Denis Aleshin, Parousia Rocks troh, and Bryce Lampe数学中国ww.madio.net