Review Article
左心室射血分数尚存的低梯度“严重”主动脉瓣狭窄
Cite this article as: Ozkan A. Low gradient “severe” aortic stenosis with preserved left ventricular ejection fraction. Cardiovasc Diagn Ther 2012;2(1):19-27. doi: 10.3978/j.issn.2223-3652.2012.01.01