本研究将59例陈旧性心肌梗塞患者随机分为治疗组31例，对照组28例。
A clinical study on 59 remote myocardial infarction cases were divided randomly into treated group (31 cases) and normal control group (28 cases).
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全部有心绞痛史，陈旧性心肌梗塞4例。
All had angina pectoris, 4 previous myocardial infarction.
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