7Apelqvist J,Larsson J.What is the most effective way to reduce incidence of amputation in the diabetic foot?[J].Diabeties Metab Res Rev,2000,16:75-83.
8New JP,Mcdowell E,Burns E,et al.Problem of amputations in patients with newly diagnosed diabetes[J].Diabetic Med,1998,15:760.