Objective The effects of PTCA on acute and chronic total coronary artery occlusions were studied.

 
  • 目的觀(guān)察急性和慢性冠狀動(dòng)脈閉塞經(jīng)皮冠狀動(dòng)脈腔內成形術(shù)(PTCA)治療的效果。
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