Methods 64 cases of typical angina pectoris and 44 cases of atypical angina pectoris were selected to receive tread mill test and vector cardiogram.
方法典型心绞痛64例，不典型心绞痛44例进行平板试验及心向量检查。
Methods 64 cases of typical angina pectoris and 44 cases of atypical angina pectoris were selected to receive tread mill test and vector cardiogram.
方法典型心绞痛64例，不典型心绞痛44例进行平板试验及心向量检查。
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