7Wagner FW Jr. The dysvascular foot : a system for diagnosis and treat- ment[J]. Foot Ankle,1981,2(2) :64 -122.
8Apelqvist J, Bakker K, van Houtum WH, ct al. International consen- sus and practical guidelines on tile management and the prevention of the diabetic foot. International Working Group on the Diabetic Foot [ J]. Diabetes Metab Res Rev, 2000,16 (Suppl 1 ) :$84 -$92.
9Kim SC,Chang IH, Jeon HJ. Preference for oral sildenafil or intra- cavemosal injection in patients with erectile dysfunction already u- sing iutracavernosal injection for > 1 year [ J ]. BJU Int, 2003,92 (3) :277 -280.
