Therefore, we think that the relationship between deep venous valvular insufficiency and varicose vein remains to be verified.

因而，作者认为，原发性下肢深静脉瓣膜功能不全与下肢静脉曲张的关系仍有待作进一步的深入研究。

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Therefore, we think that the relationship between deep venous valvular insufficiency and varicose vein remains to be verified.

因而，作者认为，原发性下肢深静脉瓣膜功能不全与下肢静脉曲张的关系仍有待作进一步的深入研究。

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