1. Litzelman DK, Marriot DJ, Vinicor F. Independent physiological predictiors of foot lesions in patients with NIDDM. Diabetes Care 20: 1273, 1997.
2. Boulton AJM. Clinical presentation and management of diabetic neuropathy and foot ulceration. Diabet Med 8: 552, 1991.
3. Reiberg GE, Boyko EJ, Smith DG. Lower extremity foot ulcers and amputations in diabetes. In: National Diabetes Data Group (Eds) Diabetes in America, 2nd ed. National Institutes of Health, Washington DC, 1995, p 409.
4. Armstrong DG, Lavery LA, Harkless LB. Validation of a diabetic wound classification system. The contribution of depth, infection, ischemia to risk of amputation. Diabetes Care 21: 855, 1999.
5. Matzke S, Lepantalo M. Claudicatio does not always precede critical limb ischemia. Vasc Med 12: 345, 2001.