Animals were randomly allocated into 4 groups: sham-operated group, normothermia group, delayed hypothermia group and immediate hypothermia group with 7 rat each.
动物随机分为4组：假手术组、常温组、延迟性低温组和即刻低温组，每组7只。
Animals were randomly allocated into 4 groups: sham-operated group, normothermia group, delayed hypothermia group and immediate hypothermia group with 7 rat each.
动物随机分为4组：假手术组、常温组、延迟性低温组和即刻低温组，每组7只。
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