2Takolander R, Rauwarda JA. The use of non invasive vascular assessment in diabetic patients with foot leisions[J]. Diabetic Med,1996,13(Suppl 1):S39-42.
3Armstrong DG, Larery LA, Harkless LB. Validation of a diabetic wound classification system. The contribution of depth,infection,and ischemia to risk of ampoutation[J]. Diabetes Care, 1998,21 ( 5 ) : 855-859.
4Khammash MR,OBeidat KA. Prevalence of ischemia in diabetic foot infection[J]. World J Surg, 2003,27 (7) : 797-799.