5Kongstvedt PR.Essentials of managed heahh care [ M ].Gatihers- burg Maryland : Aspen publishers, Inc, 1997 : 3-16.
6University of Michigan Health Management Research Center. O- verview of 15 years of research [ EB/OL]. http://www. umich. edu/- hmrc/indexsta.html.
7Thomas Lincol, John R. Miles and Steve Scheibel. Community Health and Public Health Collaborations [ J ]. Public Health Be- hind Bars,2007,10( 5 ) , 508-534.
10JonesC, Roderiek P, Harris S, et al.Deeline in kidney function be- fore and after nephmlogy referral and the effect on survival in moderate to advaneod chronic kidney disease [ J ]. Nephrol Dial Transplant ,2006,21 (8) :2133-2143.