方法：74例缺血性心脏病稳定性心绞痛患者，随机分两组。

Methods: 74 patients of stable angina pectoris were divided in to two groups by chance.

youdao

方法：74例缺血性心脏病稳定性心绞痛患者，随机分两组。

Methods: 74 patients of stable angina pectoris were divided in to two groups by chance.

youdao