Calcification was not the main cause of BN-2 failure.
钙化不是BN - 2牛瓣失功的主要原因。
Objective To discuss the etiology of cardiac valve calcification in elderly.
目的探讨老年人心脏瓣膜钙化的病因。
The dense white nodules of calcification are present on either valve surface.
在瓣膜的表面可见密集的白色钙化灶。
We present the first case of a mediastinal hemangiopericytoma with central calcification.
我们在此提出首例观察到中央钙化的原发性纵膈腔血管外皮细胞瘤。
We present the first case of a mediastinal hemangiopericytoma with central calcification.
我们在此提出首例观察到中央钙化的原发性纵膈腔血管外皮细胞瘤。
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