间断缝合人工机械二尖瓣膜和主动脉瓣膜。
Artificial mechanical aortic and mitral valves were intermittently sutured.
目的研究猪主动脉瓣膜去细胞基质的体外降解过程。
AIM To study the degradation behavior of acellular porcine aorta valve in vitro.
目的探讨主动脉瓣膜置换术的麻醉及体外循环管理效果。
Objective To explore the clinical management effect of anaesthesia and extracorporeal circulation in valve replacement of heart aorta.
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