4Fajardo LF,Berthrong M.Radiation injury in surgical pathology.Part Ⅲ.Salivary glands,pancreas and skin[J].Am J Surg Pathol,1981,5 (3):279-296.
5Singh N,Armstrong DG,Lipsky BA.Preventing foot ulcers in patients with diabetes[J].JAMA,2005,293 (2):217-218.
6Carmona GA,Hoffmeyer P,Herrmann FR,et al.Major lower limb amputations in the elderly observed over ten years:the role of diabetes and peripheral arterial disease[J].Diabetes Metab,2005,31 (5):449-454.
7Apelqvist J,Bakker K,van Houtum WH,et al.International consensus and practical guidelines on the management and the prevention of the diabetic foot.International Working Group on the Diabetic Foot[J].Diabetes Metab Res Rev,2000,16 Suppl 1:S84-92.
8Ramasastry SS.Chronic problem wounds[J].Clin Plast Surg,1998,25 (3):367-396.