Methods 34 patients with KSD and 32 healthy controls were selected from the epidemic area of keshan disease.
方法选择黑龙江省富裕县克山病病区慢型、潜在型克山病患者34例，健康人32例。
Objective To study clinical feature, abnormal electrocardiogram (ECG) and heart size of latent Keshan disease (KSD).
目的研究潜在型克山病的临床特征，心脏大小及异常心电图的动态变化。
The top management of KSD puts more emphasizes on the buildup of culture of company to improve its strength and capability.
公司领导十分重视企业文化建设，踏踏实实地做好基础业务工作，提高企业的自身实力和水平。
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