1Yang W, Lu J,Weng J. Prevalence of diabetes among men and women in China[J]. N Engl J Med, 2010,362 (12) : 1090-1101.
2Bodenheirner T,Chen E. Confronting the growing burden of chroniec disease:Can the US. health care workforee do the jobFJ~. Health Affairs, 2009,28(1) : 64 74.