perforating veins 中文意思是什麼
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Objective : to evaluate the relationship between the ultrasonic features of perforating veins ( pvs ) and the clinical stages in patients with venous insufficiency of lower extremities
摘要目的：探討下肢靜脈功能不全患者小腿交通靜脈超聲改變與臨床表現的關系。
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