介入封堵与外科手术治疗婴幼儿动脉导管未闭合并肺动脉高压的对比研究
개입봉도여외과수술치료영유인동맥도관미폐합병폐동맥고압적대비연구
Comparative study on closure of patent ductus arteriosus combined with pulmonary hypertention in infants by transcatheter closure and by surgery
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