目的探讨直肠癌手术远端肠管长度的安全范围。

Objective To investigate the safe distal surgical resection margin of rectal cancer.

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结果：试验组蛋鸡肠管长度90日龄时较对照组短，150日龄时与对照组相近，210日龄以后长于对照组；

Results:The length of intestine tube were shorter the experimental group than control group on 90d, and near on 150d, after 210d, longer than control group.

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目的探讨维持大鼠生理需要最短移植肠管的长度。

Objective To determine the minimal length of intestine graft that can maintain the normal physical needs of rats.

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