HSRA联合PTCA或支架成形术治疗老年钙化性冠状动脉狭窄
HSRA연합PTCA혹지가성형술치료노년개화성관상동맥협착
The treatment of calcified coronary stenosis in elderly patients of coronary artery disease with high speed coronary rotational atherectomy adjunt ballon angioplasty or coronary stenting
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