二尖瓣环
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annulus of mitral valve 二尖瓣环
annulus mitral valve 二尖瓣环
·2,447,543篇论文数据，部分数据来源于NoteExpress
Objective to summarize the experience in treating mitral insufficiency (mi), due to secondary annular dilation in the posterior portion of the annulus with mitral valve reconstruction.
目的总结二尖瓣后环缝缩治疗二尖瓣关闭不全(MI)的临床经验。
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