1. Global prevalence of diabetes: estimates for the year 2000 and projections for 2030;Wild;Diabetes Care,2004
2. Centers for Disease Control and Prevention National diabetes fact sheet: general information and national estimates on diabetes in the United States, 2005,2005
3. The global burden of diabetic foot disease;Boulton;Lancet,2005
4. Epidemiology of foot ulcers and amputations in the diabetic foot;Reiber,2001
5. Reiber GE, Boyko E, Smith DG. Lower extremity foot ulcers and amputations in diabetes. In: Harris MI, Cowie C, Stern MP, editors. Diabetes in America. 2nd edition; 1995, NIH Publication No. 95-1468.