Method : We accept indwelling needle at vena saphena magna near medial malleolus and cephanus vena at wrist.

方法：选择下肢内踝大隐静脉和上肢腕部头静脉，使用静脉留置针。

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Method : We accept indwelling needle at vena saphena magna near medial malleolus and cephanus vena at wrist.

方法：选择下肢内踝大隐静脉和上肢腕部头静脉，使用静脉留置针。

youdao