Objective To evaluate the related factors of the severity of coronary artery disease.

目的探讨冠心病危险因素及临床一般情况与冠状动脉病变严重程度的关系。

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Objective: To study the correlation between uric acid level and severity of coronary artery disease.

目的：了解血尿酸水平与冠状动脉病变程度的关系。

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To explore the relationship between extent and severity of coronary artery disease and vascular endothelial function.

目的 探讨老年冠心病患者冠状动脉病变程度与血管内皮功能的关系。

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