·2,447,543篇论文数据，部分数据来源于NoteExpress
The 156 patients with CHD or suspicious CHD and 113 normal control persons were examined by vector cardiogram, treadmill exercise testing and electrocardiogram.
对156例诊断为冠心病或疑似冠心病患者和113例正常对照进行普通心电、运动心电和心电向量检查。
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