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Transthoracic Doppler echocardiograph in evaluation of left anterior descending coronary artery sten
【机 构】
：
Department of Heart Center,the Affiliated Hospital of NingXia,Yinchuan 750004
【出 处】
：
第12届亚太多普勒超声心动图学术大会
【发表日期】
：
2007年11期
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