Methods 55 patients were treated by venous external valvuloplasty on the first valve of superficial femoral vein with PTFE.

 
  • 方法对原发性下肢深静脉瓣膜功能不全的55例患者施以股浅静脉第一对瓣膜包窄术,包窄材料选用聚四氟乙烯人造血管。
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  • 深远海浮式风电平台 - deep-sea floating wind power platform
  • 京雄高速公路 - Beijing-Xiongan expressway
  • 农业及相关产业增加值 - the added value of agriculture and related industries
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