3Santilli JD, Santilli SM. Chronic critical limb ischemia:diagnosis, treatment and prognosis. Am Fam Physician, 1999,59 : 1899-1908.
4Sacks D,Bakal CW,Beatty PT,et al. Position statement on the use of the ankle brachial index in the evaluation of patients with peripheral arterial disease. A consensus statement developed by the Standards Division of the Society of Interventional Radiology. J Vasc Interv Radial .2003.14 : S389.
5Sacks D, Bakal CW, Beatty PT, et al. Position statement on the use of the ankle-brachial index in the evaluation of patients with peripheral vascular disease: a consensus statement developed by the standards division of the society of cardiovascular & interventional radiology. J Vase Inter Radiol,2002,13:353.
6Hiatt WR. Medical treatment of peripheral arterial disease and elaudieation. N Engl J Med ,2001,344 : 1608-1621.
8Bird CE, Criqui MH, Fronek A, et al. Quantitative and qualitative progression of peripheral arterial disease by non-invasive testing. Vase Med, 1999,4 : 15-21.
9Mohler ER 3^rd. Peripheral arterial disease: identification and implieations. Arch Intern Meal,2003,163:2306-2314.
10Brennan JA, Walsh AK, Beard JD. The role of simple non-invasive testing in infra-inguinal vein graft surveillance. Eur J Vasc Surg, 1991,5 : 13-17.
