Efficacy of autogenous peritoneo fascial patch graft in repa ring portal vein

• ZENG Zhi ping, 
• XU Zong quan, 
• ZHOU Cun cai, 
• ZHOU Zheng, 
• ZHOU Xin wen, 
• HE Jun, 
• XU Guo hui, 
• RAO Rong sheng