Starr convinced Edwards to narrow his focus and help develop a mechanical replacement for the heart's mitral valve which controls blood flow within the heart.
斯塔尔说服爱德华兹缩小他的研究范围，集中精力，研发一个代替。
Left atrial, left ventricular pressure curves and aortic blood flow curves were measured beret and after mitral valve replacement.
测定置换前、后的左心房和左心室压力曲线，以及主动脉流量曲线。
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