Figure 2From: Influence of ischemia before vein grafting on early hyperplasia of the graft and the dynamic changes of the intima after grafting Histological appearance of the grafts (stained with P/VB; magnification ×3) 4 weeks after the grafting procedure. A: vein grafts with 15-min ischemia (group 1); B: vein grafts with 60-min ischemia (group 1); C: vein grafts with 15-min ischemia (group 2); D: vein grafts with 90-min ischemia (group 2).Back to article page