5Graziani I, Silvestro A, Bertone V,et al. Vascular Involvement in diabetic subjects with ischemic foot ulcer: a new morphologic categorization of disease severity[ J]. Eur J Vase Endovasc Surg,2007 ,33 :453- 460.
6Adam D J, Beard JD, Cleveland T, et al. Bypass versus angioplasty in severe ischemia of the leg (BASIL) : multicentre, randomised controlled trial[ J]. Lancet ,2005,366 ( 9501 ) : 1925-1934.
7Tateishi-Yuyama E,Mat subara H, Murobara T, et al. Therapeutic angiogenesis for patients with limb ischaemia by autologous transplantation of bone-marrow cells: a pilot study and a randomized controlled trail [ J ]. Lancet,2002,360 (9331 ) :427-435.
8Jahnke T, Andresen R, Muller-Hulsbeck S, et al. Hemobahn stentgrafts for treatment of femoropopliteal arterial obstructions : midterm resuits of a prospective trial [ J ]. J Vasc Interv Radiol,2003,14:41-51.
9Paglia E, Dalla Paola I, Clerici G, et al. Peripheral anglopla-as the first-choice revascularization procedure in diabetic patients with critical limb ischemia:prospectivc study of 993 consecutive patients hospitalized and followed between 1999 and 2003 [ J ]. Eur J Vasc Endovasc Surg,2005,29:620-627.