D - The date in yy-mm-dd format.

D - 日期的年年/月月/日日格式。

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Objective To study the correlation between levels of plasma D-dimer (DD) and the severity as well as prognosis of head injury.

目的探讨d -二聚体(DD)含量与颅脑损伤病人伤情、预后的相关性。

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Results:The DD genotype of ACE gene was significantly higher in essential hypertension groups than in control group (P<0.05), but D allele has no difference between the two groups.

结果：高血压组DD基因型频率显著高于对照组（P<0 .0 5 ） ，但D等位基因频率分布在高血压组和正常组之间无差异性（P>0 .0 5 ）。

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