目的探讨超声引导下经肘上外周穿刺置入中心静脉导管（peripherally inserted central venous catheters，PICC）的应用效果。
Objective To explore the effectiveness of peripherally inserted central venous catheters(PICC) through above elbow with ultrasonic guidance.
目的探讨超声引导下经肘上外周穿刺置入中心静脉导管（peripherally inserted central venous catheters，PICC）的应用效果。
Objective To explore the effectiveness of peripherally inserted central venous catheters(PICC) through above elbow with ultrasonic guidance.
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