Methods:MVA were measured in 21 patients with pure mitral stenosis by 6 methods and the other 5 were compared with AFCE.
方法：在21例单纯二尖瓣狭窄患者，利用上述6 种方法测量MVA，以AFCE测值为标准进行对比研究。
Methods:MVA were measured in 21 patients with pure mitral stenosis by 6 methods and the other 5 were compared with AFCE.
方法：在21例单纯二尖瓣狭窄患者，利用上述6 种方法测量MVA，以AFCE测值为标准进行对比研究。
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