Methods: Morphological identification and merchandise investigation of their crude drug and yinpian were performed.
方法：药材及饮片性状鉴别及商品调查。
Objective The purpose of the investigation was to study valvular regurgitation, morphological changes and left ventricular function in patients with left ventricular enlargement.
目的：研究左心扩大性疾病瓣膜返流情况、心腔形态学改变以及心功能的变化。
Objective The purpose of the investigation was to study valvular regurgitation, morphological changes and left ventricular function in patients with left ventricular enlargement.
目的：研究左心扩大性疾病瓣膜返流情况、心腔形态学改变以及心功能的变化。
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