Materials and Methods: Video density scale and CTFC were calculated and compared on 98 cases off coronary catheter angiography.
材料和方法：计算98例冠脉造影者的CTFC和视频密度阶差。
Materials and Methods: Video density scale and CTFC were calculated and compared on 98 cases off coronary catheter angiography.
材料和方法：计算98例冠脉造影者的CTFC和视频密度阶差。
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