目的介绍一种新的下肢深静脉逆行造影术，探讨经皮穿刺大隐静脉下肢深静脉逆行造影术的可行性及应用价值。
Objective To introduce a new descending venography of deep vein in lower extremity via a percutaneous great saphenous access.
目的介绍一种新的下肢深静脉逆行造影术，探讨经皮穿刺大隐静脉下肢深静脉逆行造影术的可行性及应用价值。
Objective To introduce a new descending venography of deep vein in lower extremity via a percutaneous great saphenous access.
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