Objective: To investigate the characteristics of coronary angiography of patients suffering from chest pain with normal ECG.

目的：了解静息心电图正常胸痛患者的冠脉病变特征。

youdao

Objective: To investigate the characteristics of coronary angiography of patients suffering from chest pain with normal ECG.

目的：了解静息心电图正常胸痛患者的冠脉病变特征。

youdao