结果：围产期缺氧能引起新生儿脐血中SOD及MDA显著意义的改变；gpx有一定程度的降低，与对照组比较无差异。

Results: SOD and MDA in umbilical blood have significantly changed because of perinatal hypoxia, and GPX has decreased in a certain degree but no marked difference compared with that in control group.

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目的：探讨缺氧缺血性脑病(HIE)新生儿血中内皮素(et)和一氧化氮(NO)的变化及意义。

Objective: to probe into the changes and significance of serum endothelin (ET) and nitric oxide (NO) levels in hypoxic ischemic encephalopathy (HIE) of the newborn.

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